Dell XPS 13 9305 laptop Service Manual

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Dell XPS 13 9305 laptop Service Manual | Manualzz

XPS 13 9305

Service Manual

Regulatory Model: P82G

Regulatory Type: P82G004

January 2021

Rev. A00

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

© 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

Contents

Chapter 1: Before working inside your computer............................................................................7

Before you begin .................................................................................................................................................................7

Safety instructions.............................................................................................................................................................. 7

Electrostatic discharge—ESD protection..................................................................................................................... 8

ESD field service kit ...........................................................................................................................................................8

After working inside your computer................................................................................................................................9

Chapter 2: Removing and installing components.......................................................................... 10

Recommended tools..........................................................................................................................................................10

Screw list............................................................................................................................................................................. 10

Major components of XPS 13 9305................................................................................................................................11

Chapter 3: Replacing the base cover............................................................................................ 13

Procedure.............................................................................................................................................................................13

Chapter 4: Removing the base cover............................................................................................15

Procedure............................................................................................................................................................................ 15

Chapter 5: Removing the battery................................................................................................. 17

Lithium-ion battery precautions..................................................................................................................................... 17

Prerequisites........................................................................................................................................................................17

Procedure.............................................................................................................................................................................17

Chapter 6: Replacing the battery................................................................................................. 19

Lithium-ion battery precautions..................................................................................................................................... 19

Procedure............................................................................................................................................................................ 19

Post-requisites...................................................................................................................................................................20

Chapter 7: Removing the solid-state drive................................................................................... 21

Prerequisites........................................................................................................................................................................21

Procedure to remove M.2 2280 and M.2 2230 solid-state drives......................................................................... 21

Procedure to remove M.2 2280 solid-state drive................................................................................................ 21

Procedure to remove M.2 2230 solid-state drive............................................................................................... 22

Chapter 8: Replacing the solid-state drive...................................................................................23

Procedure to replace M.2 2280 and M.2 2230 solid-state drives.........................................................................23

Procedure to replace 2280 solid-state drive........................................................................................................ 23

Procedure to replace 2230 solid-state drive........................................................................................................ 23

Post-requisites................................................................................................................................................................... 24

Chapter 9: Removing the speakers.............................................................................................. 25

Prerequisites.......................................................................................................................................................................25

Procedure............................................................................................................................................................................25

Contents 3

Chapter 10: Replacing the speakers.............................................................................................26

Procedure............................................................................................................................................................................26

Post-requisites...................................................................................................................................................................26

Chapter 11: Removing the coin-cell battery..................................................................................27

Prerequisites....................................................................................................................................................................... 27

Procedure............................................................................................................................................................................ 27

Chapter 12: Replacing the coin-cell battery................................................................................. 28

Procedure............................................................................................................................................................................28

Post-requisites...................................................................................................................................................................28

Chapter 13: Removing the heat sink............................................................................................ 29

Prerequisites.......................................................................................................................................................................29

Procedure............................................................................................................................................................................29

Chapter 14: Replacing the heat sink.............................................................................................30

Procedure............................................................................................................................................................................30

Post-requisites...................................................................................................................................................................30

Chapter 15: Removing the fans.................................................................................................... 31

Prerequisites........................................................................................................................................................................31

Procedure.............................................................................................................................................................................31

Chapter 16: Replacing the fans.................................................................................................... 33

Procedure............................................................................................................................................................................33

Post-requisites................................................................................................................................................................... 34

Chapter 17: Removing the heat-sink assembly............................................................................. 35

Prerequisites.......................................................................................................................................................................35

Procedure............................................................................................................................................................................35

Chapter 18: Replacing the heat-sink assembly............................................................................. 37

Procedure............................................................................................................................................................................ 37

Post-requisites...................................................................................................................................................................38

Chapter 19: Removing the display assembly................................................................................ 39

Prerequisites.......................................................................................................................................................................39

Procedure............................................................................................................................................................................39

Chapter 20: Replacing the display assembly.................................................................................41

Procedure.............................................................................................................................................................................41

Post-requisites................................................................................................................................................................... 42

Chapter 21: Removing the headset port....................................................................................... 43

Prerequisites.......................................................................................................................................................................43

Procedure............................................................................................................................................................................43

4 Contents

Chapter 22: Replacing the headset port...................................................................................... 45

Procedure............................................................................................................................................................................45

Post-requisites...................................................................................................................................................................46

Chapter 23: Removing the fans....................................................................................................47

Prerequisites....................................................................................................................................................................... 47

Procedure............................................................................................................................................................................ 47

Chapter 24: Replacing the fans................................................................................................... 49

Procedure............................................................................................................................................................................49

Post-requisites...................................................................................................................................................................50

Chapter 25: Removing the system board......................................................................................51

Prerequisites....................................................................................................................................................................... 51

Procedure............................................................................................................................................................................ 51

Chapter 26: Replacing the system board..................................................................................... 53

Procedure............................................................................................................................................................................53

Post-requisites...................................................................................................................................................................54

Entering the Service Tag in the BIOS setup program..............................................................................................54

Chapter 27: Removing the power button with fingerprint reader................................................. 55

Prerequisites.......................................................................................................................................................................55

Procedure............................................................................................................................................................................55

Chapter 28: Replacing the power button with fingerprint reader................................................. 56

Procedure............................................................................................................................................................................56

Post-requisites...................................................................................................................................................................56

Chapter 29: Removing the keyboard............................................................................................ 57

Prerequisites.......................................................................................................................................................................57

Procedure............................................................................................................................................................................57

Chapter 30: Replacing the keyboard............................................................................................58

Procedure............................................................................................................................................................................58

Post-requisites...................................................................................................................................................................58

Chapter 31: Removing the palm-rest assembly............................................................................ 59

Prerequisites.......................................................................................................................................................................59

Procedure............................................................................................................................................................................59

Chapter 32: Replacing the palm-rest assembly............................................................................60

Procedure............................................................................................................................................................................60

Post-requisites...................................................................................................................................................................60

Chapter 33: Drivers and downloads.............................................................................................. 61

Contents 5

Chapter 34: System setup........................................................................................................... 62

Entering BIOS setup program........................................................................................................................................ 62

Navigation keys..................................................................................................................................................................62

Boot Sequence...................................................................................................................................................................62

One time boot menu......................................................................................................................................................... 63

System setup options.......................................................................................................................................................63

Clearing CMOS settings.................................................................................................................................................. 73

Clearing BIOS (System Setup) and System passwords...........................................................................................74

Chapter 35: Troubleshooting....................................................................................................... 75

SupportAssist diagnostics............................................................................................................................................... 75

System-diagnostic lights................................................................................................................................................. 75

Recovering the operating system..................................................................................................................................76

Flashing the BIOS.............................................................................................................................................................. 76

Flashing BIOS (USB key)................................................................................................................................................. 77

Backup media and recovery options............................................................................................................................. 77

Drain residual flea power (perform hard reset)..........................................................................................................77

WiFi power cycle................................................................................................................................................................77

Chapter 36: Getting help and contacting Dell.............................................................................. 79

6 Contents

1

Before working inside your computer

NOTE: The images in this document may differ from your computer depending on the configuration you ordered.

Before you begin

1. Save and close all open files and exit all open applications.

2. Shut down your computer. Click Start > Power > Shut down .

NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.

3. Disconnect your computer and all attached devices from their electrical outlets.

4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer.

5. Remove any media card and optical disc from your computer, if applicable.

Safety instructions

Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer.

WARNING: Before working inside your computer, read the safety information that is shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

WARNING: Disconnect your computer from all power sources before opening the computer cover or panels.

After you finish working inside the computer, replace all covers, panels, and screws before connecting your computer to an electrical outlet.

CAUTION: To avoid damaging the computer, ensure that the work surface is flat, dry, and clean.

CAUTION: To avoid damaging the components and cards, handle them by their edges, and avoid touching the pins and the contacts.

CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance .

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components.

CAUTION: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable.

When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned.

CAUTION: Press and eject any installed card from the media-card reader.

NOTE: The color of your computer and certain components may appear differently than shown in this document.

Before working inside your computer 7

Electrostatic discharge—ESD protection

ESD is a major concern when you handle electronic components, especially sensitive components such as expansion cards, processors, memory DIMMs, and system boards. Very slight charges can damage circuits in ways that may not be obvious, such as intermittent problems or a shortened product life span. As the industry pushes for lower power requirements and increased density, ESD protection is an increasing concern.

Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

Two recognized types of ESD damage are catastrophic and intermittent failures.

● Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes an immediate and complete loss of device functionality. An example of catastrophic failure is a memory DIMM that has received a static shock and immediately generates a "No POST/No Video" symptom with a beep code emitted for missing or nonfunctional memory.

● Intermittent – Intermittent failures represent approximately 80 percent of ESD-related failures. The high rate of intermittent failures means that most of the time when damage occurs, it is not immediately recognizable. The DIMM receives a static shock, but the tracing is merely weakened and does not immediately produce outward symptoms related to the damage. The weakened trace may take weeks or months to melt, and in the meantime may cause degradation of memory integrity, intermittent memory errors, etc.

The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking wounded") failure.

Perform the following steps to prevent ESD damage:

● Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage.

● Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.

● When unpacking a static-sensitive component from its shipping carton, do not remove the component from the anti-static packing material until you are ready to install the component. Before unwrapping the anti-static packaging, ensure that you discharge static electricity from your body.

● Before transporting a static-sensitive component, place it in an anti-static container or packaging.

ESD field service kit

The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: anti-static mat, wrist strap, and bonding wire.

Components of an ESD field service kit

The components of an ESD field service kit are:

● Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures. When using an anti-static mat, your wrist strap should be snug and the bonding wire should be connected to the mat and to any bare metal on the system being worked on. Once deployed properly, service parts can be removed from the ESD bag and placed directly on the mat. ESD-sensitive items are safe in your hand, on the ESD mat, in the system, or inside a bag.

● Wrist Strap and Bonding Wire – The wrist strap and bonding wire can be either directly connected between your wrist and bare metal on the hardware if the ESD mat is not required, or connected to the anti-static mat to protect hardware that is temporarily placed on the mat. The physical connection of the wrist strap and bonding wire between your skin, the ESD mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never use wireless wrist straps. Always be aware that the internal wires of a wrist strap are prone to damage from normal wear and tear, and must be checked regularly with a wrist strap tester in order to avoid accidental ESD hardware damage. It is recommended to test the wrist strap and bonding wire at least once per week.

● ESD Wrist Strap Tester – The wires inside of an ESD strap are prone to damage over time. When using an unmonitored kit, it is a best practice to regularly test the strap prior to each service call, and at a minimum, test once per week. A wrist strap tester is the best method for doing this test. If you do not have your own wrist strap tester, check with your regional office to find out if they have one. To perform the test, plug the wrist-strap's bonding-wire into the tester while it is strapped to your wrist and push the button to test. A green LED is lit if the test is successful; a red LED is lit and an alarm sounds if the test fails.

● Insulator Elements – It is critical to keep ESD sensitive devices, such as plastic heat sink casings, away from internal parts that are insulators and often highly charged.

8 Before working inside your computer

● Working Environment – Before deploying the ESD Field Service kit, assess the situation at the customer location. For example, deploying the kit for a server environment is different than for a desktop or portable environment. Servers are typically installed in a rack within a data center; desktops or portables are typically placed on office desks or cubicles. Always look for a large open flat work area that is free of clutter and large enough to deploy the ESD kit with additional space to accommodate the type of system that is being repaired. The workspace should also be free of insulators that can cause an

ESD event. On the work area, insulators such as Styrofoam and other plastics should always be moved at least 12 inches or

30 centimeters away from sensitive parts before physically handling any hardware components

● ESD Packaging – All ESD-sensitive devices must be shipped and received in static-safe packaging. Metal, static-shielded bags are preferred. However, you should always return the damaged part using the same ESD bag and packaging that the new part arrived in. The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the original box that the new part arrived in. ESD-sensitive devices should be removed from packaging only at an

ESD-protected work surface, and parts should never be placed on top of the ESD bag because only the inside of the bag is shielded. Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag.

● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

ESD protection summary

It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

After working inside your computer

CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.

1. Replace all screws and ensure that no stray screws remain inside your computer.

2. Connect any external devices, peripherals, or cables you removed before working on your computer.

3. Replace any media cards, discs, or any other parts that you removed before working on your computer.

4. Connect your computer and all attached devices to their electrical outlets.

5. Turn on your computer.

Before working inside your computer 9

2

Removing and installing components

NOTE: The images in this document may differ from your computer depending on the configuration you ordered.

Recommended tools

The procedures in this document may require the following tools:

● Phillips screwdriver #0

● Torx #5 (T5) screwdriver

● Plastic scribe

Screw list

NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.

NOTE: Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surfaces when replacing a component.

NOTE: Screw color may vary with the configuration ordered.

Table 1. Screw list

Component

Keyboard

Secured to

Palm-rest assembly

Screw type

M1.6x1.5

Quantity

29

Screw image

Palm-rest assembly M1.6x1.5

1 Fingerprint-reader board

Power button

System board

Palm-rest assembly

Palm-rest assembly

M1.4x1.7

M1.6x2.5

2

10

Fans

Speakers

Heat sink

System board

Palm-rest assembly

System board

M1.6x3L

M2x2

M2x3

2

4

4

Headset port Palm-rest assembly M1.6x3

1

Display assembly Palm-rest assembly M2.5x4

4

Wireless antenna and camera cable bracket

System board M1.6x3L

1

10 Removing and installing components

Table 1. Screw list (continued)

Component Secured to

Display cable bracket System board

Solid-state drive shield and solid-state drive

System board

Battery Palm-rest assembly

Battery Palm-rest assembly

Base cover Palm-rest assembly

Screw type

M1.6x2.5

M2x3L

M2x2

M1.6x4

M2x3, Torx

4

1

8

Quantity

2

1

Major components of XPS 13 9305

The following image shows the major components of XPS 13 9305.

Screw image

Removing and installing components 11

1. Base cover

2. Battery

3. System board

4. Keyboard

5. Palm-rest assembly

6. Right speaker

7. Solid-state drive shield

8. Solid-state drive

9. Left speaker

10. Display assembly

11. Headset port

12. Power button with fingerprint reader

13. Camera-cable bracket

14. Coin-cell battery

15. Heat-sink assembly

NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

12 Removing and installing components

3

Replacing the base cover

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Align the screw holes on the base cover with the screw holes on the palm-rest assembly and slide in the base cover into place.

2. Replace the eight screws (M2x3, Torx) that secure the base cover to the palm-rest assembly.

Replacing the base cover 13

14 Replacing the base cover

4

Removing the base cover

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

CAUTION: To avoid causing damage to the computer, do not pry the base cover from the rear near the hinges.

1. Remove the eight screws (M2x3, Torx) that secure the base cover to the palm-rest assembly.

2. With the computer face-down, open the computer at an angle.

3. Using a plastic scribe, pry the base cover from the palm-rest assembly starting from the front left and right corner.

Removing the base cover 15

4. Moving the base cover from left to right, release the clips securing the base cover to the palm-rest assembly.

5. Lift the base cover from the palm-rest assembly.

16 Removing the base cover

5

Removing the battery

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Lithium-ion battery precautions

CAUTION:

● Exercise caution when handling Lithium-ion batteries.

● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power—the battery is fully discharged when the computer no longer turns on when the power button is pressed.

● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.

● Do not expose the battery to high temperatures, or disassemble battery packs and cells.

● Do not apply pressure to the surface of the battery.

● Do not bend the battery.

● Do not use tools of any kind to pry on or against the battery.

● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components.

● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell .

● Always purchase genuine batteries from www.dell.com

or authorized Dell partners and resellers.

Prerequisites

Remove the base cover

.

Procedure

1. Ensure that the battery cable is disconnected from the system board.

Removing the battery 17

2. Remove the four screws (M2x2) that secure the battery to the palm-rest assembly.

3. Remove the screw (M1.6x4) that secures the battery to the palm-rest assembly.

4. Lift the battery off the palm-rest assembly.

5. Turn the computer over, open the display, and press the power button for about 5 seconds to ground the computer.

18 Removing the battery

6

Replacing the battery

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Lithium-ion battery precautions

CAUTION:

● Exercise caution when handling Lithium-ion batteries.

● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power—the battery is fully discharged when the computer no longer turns on when the power button is pressed.

● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.

● Do not expose the battery to high temperatures, or disassemble battery packs and cells.

● Do not apply pressure to the surface of the battery.

● Do not bend the battery.

● Do not use tools of any kind to pry on or against the battery.

● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components.

● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell .

● Always purchase genuine batteries from www.dell.com

or authorized Dell partners and resellers.

Procedure

1. Align the screw holes on the battery with the screw holes on the palm-rest assembly.

2. Replace the four screws (M2x2) that secure the battery to the palm-rest assembly.

3. Replace the screw (M1.6x4) that secures the battery to the palm-rest assembly.

Replacing the battery 19

Post-requisites

Replace the

base cover .

20 Replacing the battery

7

Removing the solid-state drive

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive.

CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure to remove M.2 2280 and M.2 2230 solidstate drives

Procedure to remove M.2 2280 solid-state drive

1. Remove the screw (M2x3) that secures the solid-state drive shield and the solid-state drive to the system board.

2. Slide and remove the solid-state drive shield from the solid state drive slot.

3. Lift the solid-state drive at an angle, then slide and remove the solid-state drive from the solid-state drive slot.

NOTE: The 2280 solid-state drive has a unique thermal plate and cannot be interchanged with the 2230 solid-state drive thermal plate.

Removing the solid-state drive 21

Procedure to remove M.2 2230 solid-state drive

1. Remove the screw (M2x3) that secures the solid-state drive shield and the solid-state drive to the system board.

2. Slide and remove the solid-state drive shield from the solid state drive slot.

3. Lift the solid-state drive at an angle, then slide and remove the solid-state drive from the solid-state drive slot.

NOTE: The 2230 solid-state drive has a unique thermal plate and cannot be interchanged with the 2280 solid-state drive thermal plate.

22 Removing the solid-state drive

8

Replacing the solid-state drive

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive.

Procedure to replace M.2 2280 and M.2 2230 solidstate drives

Procedure to replace 2280 solid-state drive

1. Align the notches on the solid-state drive with the tabs in the solid-state drive slot, then slide the solid-state drive at an angle into the solid-state drive slot.

2. Slide the solid-state drive shield into the solid-state drive shield slot. Then align the screw hole on the solid-state drive shield and solid-state drive to the screw hold on the system board.

NOTE: The 2280 solid-state drive has a unique thermal plate and cannot be interchanged with the 2380 solid-state drive thermal plate.

3. Replace the screw (M2x3) that secures the solid-state drive to the system board.

Procedure to replace 2230 solid-state drive

1. Align the notches on the solid-state drive with the tabs in the solid-state drive slot, then slide the solid-state drive at an angle into the solid-state drive slot.

Replacing the solid-state drive 23

2. Slide the solid-state drive shield into the solid-state drive shield slot. Then align the screw hole on the solid-state drive shield and solid-state drive to the screw hold on the system board.

NOTE: The 2230 solid-state drive has a unique thermal plate and cannot be interchanged with the 2280 solid-state drive thermal plate.

3. Replace the screw (M2x3) that secures the solid-state drive to the system board.

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

24 Replacing the solid-state drive

9

Removing the speakers

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

1. Disconnect the speaker cable from the system board.

2. Remove the four screws (M2x2) that secure the left and right speakers to the palm-rest assembly.

3. Note the speaker-cable routing and peel off the tapes (4) that secure the speaker cable to the keyboard.

4. Lift the left and right speakers, along with their cables, off the palm-rest assembly.

Removing the speakers 25

10

Replacing the speakers

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Using the alignment posts on the palm-rest assembly, place the left speaker on the palm-rest assembly.

2. Route the speaker cable on the system board and adhere the tape to the system board.

3. Using the alignment posts on the palm-rest assembly, place the right speaker on the palm-rest assembly.

4. Replace the four screws (M2x2) that secure the speakers to the palm-rest assembly.

5. Connect the speaker cable to the system board.

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

26 Replacing the speakers

11

Removing the coin-cell battery

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

1. Disconnect the coin-cell battery cable from the system board.

2. Note the location of the coin-cell battery and pry it off the system board.

Removing the coin-cell battery 27

12

Replacing the coin-cell battery

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Adhere the coin-cell battery to the system board.

2. Connect the coin-cell battery cable to the system board.

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

28 Replacing the coin-cell battery

13

Removing the heat sink

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

1. In reverse-sequential order (as indicated on the heat sink), remove the four screws (M2x3) that secure the heat sink to the system board.

2. Lift the heat sink off the system board.

Removing the heat sink 29

14

Replacing the heat sink

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.

NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

1. Align the screw holes on the heat sink with the screw holes on the system board.

2. Replace the four screws (M2x3) that secure the heat sink to the system board in sequential order (as indicated on the heat sink).

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

30 Replacing the heat sink

15

Removing the fans

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

NOTE:

For computers shipped with Intel Core i5 or i7 processors, see Removing the heat-sink assembly

.

1. Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

2. Lift the wireless antenna and camera-cable bracket from the system board.

3. Disconnect and lift the camera cable from the system board, peeling off the tape securing the camera cable to the fans.

4. Disconnect the right-fan cable from the system board.

5. Disconnect the left-fan cable from the system board.

6. Remove the two screws (M1.6x3) that secure the left and the right fan to the system board.

7. Lift the left and the right fans along with their cables off the system board.

Removing the fans 31

32 Removing the fans

16

Replacing the fans

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

NOTE:

For computers shipped with Intel Core i5 or i7 processors, see Replacing the heat-sink assembly

.

1. Align the screw holes on the left and the right fans with the screw holes on the system board.

2. Replace the two screws (M1.6x3) that secure the left and the right fans to the system board.

3. Connect the left- fan and the right-fan cables to the system board.

4. Connect the camera cable to the system board.

5. Align the screw hole on the wireless antenna and camera-cable bracket to the screw hole on the system board.

6. Replace the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

7. Adhere the tape that secures the camera cable to the fans.

Replacing the fans 33

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

34 Replacing the fans

17

Removing the heat-sink assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i5 or Intel Core i7 processor.

1. Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

2. Lift the wireless antenna and camera-cable bracket from the system board.

3. Disconnect and lift the wireless antenna and camera-cable bracket from the system board, peeling off the tape securing the camera cable to the heat-sink assembly.

4. Disconnect the left-fan cable from the system board.

5. Disconnect the right-fan cable from the system board.

6. In reverse-sequential order (as indicated on the heat sink), remove the four screws (M2x3) that secure the heat-sink assembly to the system board.

Removing the heat-sink assembly 35

7. Remove the two screws (M1.6x3) that secure the heat-sink assembly to the system board.

8. Lift the heat-sink assembly along with the left-fan and the right-fan cable off the system board.

36 Removing the heat-sink assembly

18

Replacing the heat-sink assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.

NOTE: If either the system board or the fan and heat-sink assembly is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i5 or Intel Core i7 processor.

1. Align the screw holes on the heat-sink assembly with the screw holes on the system board.

2. Replace the two screws (M1.6x3) that secure the heat-sink assembly to the system board.

3. Replace the four screws (M2x3) that secure the heat-sink assembly to the system board in sequential order (as indicated on the heat-sink assembly).

4. Connect the right-fan cable to the system board.

5. Connect the left-fan cable to the system board.

6. Connect the camera cable to the system board.

7. Align the screw hole on the wireless antenna and camera-cable bracket to the screw hole on the system board

8. Replace the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

Replacing the heat-sink assembly 37

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

38 Replacing the heat-sink assembly

19

Removing the display assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

1. Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

2. Lift the wireless antenna and camera-cable bracket from the system board.

3. Disconnect and lift the camera-cable from the system board, peeling off the tape securing the camera-cable to the fans.

4. Remove the two screws (M1.6x2.5) that secure the display-cable bracket to the system board.

5. Lift the display-cable bracket from the system board.

6. Disconnect the display cable from the system board.

7. Disconnect the antenna cables from the system board.

8. Remove the four screws (M2.5x4) securing the display hinges to the palm-rest assembly.

Removing the display assembly 39

9. Place the top surface of the computer on a flat and clean surface, then open the computer at a 90 degree angle.

10. Gently slide and lift the display assembly from the palm-rest assembly.

40 Removing the display assembly

20

Replacing the display assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Slide the palm-rest assembly under the hinges of the display assembly.

2. Using the alignment posts, press the display hinges down on the palm-rest assembly, aligning the screw holes on the display hinges with the screw holes on the palm-rest assembly.

3. Connect the antenna cables to the system board.

The following table provides the antenna cable color schemes for the wireless card supported by your computer.

Table 2. Antenna-cable color scheme

Connectors on the wireless card

Main (white triangle)

Auxiliary (black triangle)

Antenna-cable color

White

Black

Replacing the display assembly 41

4. Replace the four screws (M2.5x4) securing the display hinges to the palm-rest assembly and connect the camera cable to the system board, adhering the tape securing the camera cable to the fans.

5. Align the screw hole on the wireless antenna and camera cable bracket to screw hole on the system board.

6. Replace the screw (M1.6x3) that secures the wireless antenna and camera cable bracket to the system board.

7. Connect the display cable to the system board.

8. Align the screw holes on the display-cable bracket with the screw holes on the system board.

9. Replace the two screws (M1.6x2.5) that secure the display-cable bracket to system board.

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

42 Replacing the display assembly

21

Removing the headset port

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

1. Remove the two screws (M2.5x4) that secure the left hinge to the palm-rest assembly.

2. Place the top surface of the computer on a flat and clean surface, then open and close the computer.

Removing the headset port 43

3. Disconnect the headset-port cable from the system board.

4. Remove the screw (M1.6x3) that secures the headset port to the palm-rest assembly.

5. Lift the headset port from the system board.

44 Removing the headset port

22

Replacing the headset port

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Place the headset port in its slot on the palm-rest assembly.

2. Replace the screw (M1.6x3) that secures the headset port to the palm-rest assembly

3. Reconnect the headset-port cable to the system board.

4. Using the alignment posts, press the right display hinge down to the palm-rest assembly aligning the screw holes on the display hinge to the screw holes on the palm-rest assembly.

5. Replace the two screws (M2.5x4) that secure the left hinge to the palm-rest assembly.

Replacing the headset port 45

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

46 Replacing the headset port

23

Removing the fans

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

NOTE:

For computers shipped with Intel Core i5 or i7 processors, see Removing the heat-sink assembly

.

1. Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

2. Lift the wireless antenna and camera-cable bracket from the system board.

3. Disconnect and lift the camera cable from the system board, peeling off the tape securing the camera cable to the fans.

4. Disconnect the right-fan cable from the system board.

5. Disconnect the left-fan cable from the system board.

6. Remove the two screws (M1.6x3) that secure the left and the right fan to the system board.

7. Lift the left and the right fans along with their cables off the system board.

Removing the fans 47

48 Removing the fans

24

Replacing the fans

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

NOTE: The following procedure applies only to computers shipped with Intel Core i3 processor.

NOTE:

For computers shipped with Intel Core i5 or i7 processors, see Replacing the heat-sink assembly

.

1. Align the screw holes on the left and the right fans with the screw holes on the system board.

2. Replace the two screws (M1.6x3) that secure the left and the right fans to the system board.

3. Connect the left- fan and the right-fan cables to the system board.

4. Connect the camera cable to the system board.

5. Align the screw hole on the wireless antenna and camera-cable bracket to the screw hole on the system board.

6. Replace the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.

7. Adhere the tape that secures the camera cable to the fans.

Replacing the fans 49

Post-requisites

1. Replace the battery .

2. Replace the base cover

.

50 Replacing the fans

25

Removing the system board

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board.

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

3. Remove the

solid-state drive

.

4. Remove the

heat sink

or

heat-sink assembly

.

5. Remove the

fans .

Procedure

1. Disconnect the antenna cables from the system board.

2. Disconnect the headset-port cable from the system board.

3. Disconnect the speaker cable from the system board.

4. Open the latch and disconnect the fingerprint-reader cable from the system board. Skip this step if the power button does not have the fingerprint reader.

5. Open the latch and disconnect the touchpad cable from the system board.

6. Open the latch and disconnect the keyboard-controller cable from the system board.

7. Remove the two screws (M1.6x2.5) that secure the display-cable bracket to the system board.

8. Lift the display-cable bracket from the system board.

9. Using the pull tab, disconnect the display cable from the system board.

Removing the system board 51

10. Remove the 10 screws (M1.6x2.5) securing the system board to the palm-rest assembly.

11. Lift the system board from the palm-rest assembly.

52 Removing the system board

26

Replacing the system board

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.

Procedure

1. Using the alignment posts, place the system board on the palm-rest assembly and align the screw holes on the system board with the screw holes on the palm-rest assembly.

2. Replace the 10 screws (M1.6x2.5) that secure the system board to the palm-rest assembly.

3. Connect the display cable to the system board.

4. Align and place the display cable bracket on the system board.

5. Replace the two screws (M1.6x2.5) that secure the display cable bracket to the system board.

6. Connect the keyboard-controller cable to the system board and close the latch to secure the cable.

7. Connect the touchpad cable to the system board and close the latch to secure the cable.

8. Connect the fingerprint-reader cable to the system board and close the latch to secure the cable. Skip this step if the power button does not have the fingerprint reader.

9. Connect the speaker cable to the system board.

10. Connect the headset-port cable to the system board.

Replacing the system board 53

11. Connect the antenna cables to the system board.

The following table provides the antenna cable color schemes for the wireless card supported by your computer.

Table 3. Antenna-cable color scheme

Connectors on the wireless card

Main (white triangle)

Auxiliary (black triangle)

Antenna-cable color

White

Black

Post-requisites

1. Replace the fans

.

2. Replace the heat sink

or heat-sink assembly

.

3. Replace the solid-state drive .

4. Replace the battery .

5. Replace the base cover

.

Entering the Service Tag in the BIOS setup program

1. Turn on or restart your computer.

2. Press F2 when the Dell logo is displayed to enter the BIOS setup program.

3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.

NOTE: Service tag is the alphanumeric identifier located at the back side of your computer.

54 Replacing the system board

27

Removing the power button with fingerprint reader

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

3. Remove the

solid-state drive

.

4. Remove the

fans .

5. Remove the

system board .

Procedure

1. Remove the two screws (M1.4x1.7) that secure the power button to the palm-rest assembly.

2. Remove the screw (M1.6x1.5) that secures the fingerprint-reader board to the palm-rest assembly.

3. Lift the power button from the palm-rest assembly.

4. Peel and lift the power button cable from the keyboard.

5. Lift the fingerprint-reader board from the palm-rest assembly.

Removing the power button with fingerprint reader 55

28

Replacing the power button with fingerprint reader

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Place the fingerprint-reader board into its slot on the palm-rest assembly.

2. Place the power button into its slot on the palm-rest assembly.

3. Pressing down on the power button, replace the two screws (M1.4x1.7) that secure the power button to the palm-rest assembly.

4. Adhere the power button cable to the keyboard.

5. Replace the screw (M1.6x1.5) that secures the fingerprint-reader board to the palm-rest assembly.

Post-requisites

1. Replace the system board

.

2. Replace the fans

.

3. Replace the solid-state drive .

4. Replace the battery .

5. Replace the base cover

.

56 Replacing the power button with fingerprint reader

29

Removing the keyboard

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

3. Remove the

solid-state drive

.

4. Remove the

fans .

5. Remove the

system board .

6. Remove the

power button with fingerprint reader

.

Procedure

1. Open the latch and disconnect the keyboard-backlight cable from the keyboard-controller board.

2. Open the latch and disconnect the keyboard-controller board cable from the keyboard-controller board.

3. Remove the 29 screws (M1.6x1.5) that secure the keyboard to the palm-rest assembly.

4. Peel the keyboard-backlight cable and the keyboard-controller board cable to the keyboard.

5. Slide the keyboard out from under the hinges off the palm-rest assembly.

Removing the keyboard 57

30

Replacing the keyboard

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

1. Adhere the thermal pad and foil sticker that is shipped with the keyboard onto the replacement keyboard.

2. Align the screw holes on the keyboard with the screw holes on the palm-rest assembly and slide the keyboard under the display hinges into the palm rest assembly.

3. Replace the 29 screws (M1.6x1.5) that secure the keyboard to the palm-rest assembly.

4. Adhere the keyboard-backlight cable and the keyboard-controller board cable to the keyboard.

5. Slide the keyboard-backlight cable into the keyboard-controls board and close the latch to secure the cable.

6. Slide the keyboard-controls board cable into the keyboard-controls board and close the latch to secure the cable.

Post-requisites

1. Replace the power button with fingerprint reader .

2. Replace the system board

.

3. Replace the fans

.

4. Replace the solid-state drive .

5. Replace the battery .

6. Replace the base cover

.

58 Replacing the keyboard

31

Removing the palm-rest assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Prerequisites

1. Remove the

base cover

.

2. Remove the

battery

.

3. Remove the

speakers

.

4. Remove the

display assembly

.

5. Remove the

headset port

.

6. Remove the

fans .

7. Remove the

system board .

8. Remove the

power button with fingerprint reader

.

9. Remove the

keyboard

.

Procedure

After performing all the pre-requisites, we are left with the palm-rest assembly.

Removing the palm-rest assembly 59

32

Replacing the palm-rest assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Before working inside your computer

. After working inside your computer, follow the instructions in

After working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance .

Procedure

Place the palm-rest assembly face down on a clean and flat surface.

Post-requisites

1. Replace the keyboard

.

2. Replace the power button with fingerprint reader .

3. Replace the system board

.

4. Replace the fans

.

5. Replace the headset port

.

6. Replace the display assembly

.

7. Replace the speakers

.

8. Replace the battery .

9. Replace the base cover

.

60 Replacing the palm-rest assembly

33

Drivers and downloads

When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article,

Drivers and Downloads FAQ SLN128938 .

Drivers and downloads 61

34

System setup

CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program.

Certain changes can make your computer work incorrectly.

NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed.

NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

Use the BIOS Setup program for the following purposes:

● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.

● Change the system configuration information.

● Set or change a user-selectable option, such as the user password, type of hard drive installed, and enabling or disabling base devices.

Entering BIOS setup program

Turn on (or restart) your computer and press F2 immediately.

Navigation keys

NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system.

Table 4. Navigation keys

Keys

Up arrow

Down arrow

Enter

Spacebar

Tab

Navigation

Moves to the previous field.

Moves to the next field.

Selects a value in the selected field (if applicable) or follow the link in the field.

Expands or collapses a drop-down list, if applicable.

Moves to the next focus area.

NOTE: For the standard graphics browser only.

Esc Moves to the previous page until you view the main screen.

Pressing Esc in the main screen displays a message that prompts you to save any unsaved changes and restarts the system.

Boot Sequence

Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can:

● Access System Setup by pressing F2 key

● Bring up the one-time boot menu by pressing F12 key

62 System setup

The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:

● Removable Drive (if available)

● STXXXX Drive (if available)

NOTE: XXX denotes the SATA drive number.

● Optical Drive (if available)

● SATA Hard Drive (if available)

● Diagnostics

The boot sequence screen also displays the option to access the System Setup screen.

One time boot menu

To enter one time boot menu , turn on your computer, and then press F2 immediately.

NOTE: It is recommended to shutdown the computer if it is on.

The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:

● Removable Drive (if available)

● STXXXX Drive (if available)

NOTE: XXX denotes the SATA drive number.

● Optical Drive (if available)

● SATA Hard Drive (if available)

● Diagnostics

The boot sequence screen also displays the option to access the System Setup screen.

System setup options

NOTE: Depending on this computer and its installed devices, the items that are listed in this section may or may not be displayed.

Table 5. System setup options—Overview menu

Overview

XPS 13 9305

BIOS Version

Service Tag

Asset Tag

Manufacture Date

Ownership Date

Express Service Code

Ownership Tag

Signed Firmware Update

Displays the BIOS version number.

Displays the Service Tag of the computer.

Displays the Asset Tag of the computer.

Displays the manufacture date of the computer.

Displays the ownership date of the computer.

Displays the express service code of the computer.

Displays the ownership tag of the computer.

Displays whether the signed firmware update is enabled.

Default: Enabled

BATTERY

Primary

Battery Level

Battery State

Displays the primary battery.

Displays the battery level.

Displays the battery state.

System setup 63

Table 5. System setup options—Overview menu (continued)

Overview

Health Displays the battery health.

Displays whether an AC adapter is connected. If connected, the AC adapter type.

AC Adapter

PROCESSOR

Processor Type

Maximum Clock Speed

Minimum Clock Speed

Current Clock Speed

Core Count

Processor ID

Processor L2 Cache

Processor L3 Cache

Microcode Version

Intel Hyper-Threading Capable

64-Bit Technology

MEMORY

Memory Installed

Memory Available

Memory Speed

Memory Channel Mode

Memory Technology

DEVICES

Panel Type

Video Controller

Video Memory

Wi-Fi Device

Native Resolution

Video BIOS Version

Audio Controller

Bluetooth Device

Pass Through MAC Address

Displays the processor type.

Displays the maximum processor clock speed.

Displays the minimum processor clock speed.

Displays the current processor clock speed.

Displays the number of cores on the processor.

Displays the processor identification code.

Displays the processor L2 Cache size.

Displays the processor L3 Cache size.

Displays the microcode version.

Displays whether the processor is Hyper-Threading (HT) capable.

Displays whether 64-bit technology is used.

Displays the total computer memory installed.

Displays the total computer memory available.

Displays the memory speed.

Displays single or dual channel mode.

Displays the technology that is used for the memory.

Displays the Panel Type of the computer.

Displays the integrate graphics information of the computer.

Displays the video memory information of the computer.

Displays the Wi-Fi device installed in the computer.

Displays the native resolution of the computer.

Displays the video BIOS version of the computer.

Displays the audio controller information of the computer.

Displays whether a Bluetooth device is installed in the computer.

Displays the MAC address of the video pass-through.

Table 6. System setup options—Boot Configuration menu

Boot Configuration

Boot Mode: UEFI only Displays the boot mode of this computer.

Boot Sequence

Secure Digital (SD) Card Boot

Displays the boot sequence.

Enables or disables boot from Secure Digital card.

By default, Enable Secure Digital (SD) Card Boot is selected.

Secure Boot

64 System setup

Table 6. System setup options—Boot Configuration menu (continued)

Boot Configuration

Enable Secure Boot Enables or disables the computer to boot using only validated boot software.

Default: OFF

NOTE: For Secure Boot to be enabled, the computer needs to be in UEFI boot mode and the Enable Legacy Option ROMs option needs to be turned off.

Secure Boot Mode Selects the Secure Boot operation mode.

Default: Deployed Mode

NOTE: Deployed Mode should be selected for normal operation of Secure

Boot.

Expert Key Management

Enable Custom Mode

Custom Mode Key Management

Enables or disables the keys in the PK, KEK, db, and dbx security key databases to be modified.

Default: OFF

Selects the custom values for expert key management.

Default: PK

Table 7. System setup options—Integrated Devices menu

Integrated Devices

Date/Time

Date

Time

Thunderbolt Adapter Configuration

Sets the computer date in MM/DD/YYYY format. Changes to the date take effect immediately.

Sets the computer time in HH/MM/SS 24-hour format. You can switch between

12-hour and 24-hour clock. Changes to the time take effect immediately.

Enables or disables booting from USB mass storage devices such as external hard drive, optical drive, and USB drive.

By default, Enable External USB Ports is selected.

By default, Enable USB Boot Support is selected.

Enable Thunderbolt Boot Support Enables or disables Thunderbolt Boot Support.

Default: OFF

Enable Thunderbolt (and PCIe behind TBT) pre-boot modules

Enables or disables to allow or disallow PCIe devices to be connected through a

Thunderbolt adapter during pre-boot.

Default: OFF

Camera

Enable Camera Enables or disables the camera.

By default, Enable Camera is selected.

Audio

Enable Audio

Enable Microphone

Enables or disables all integrated audio controller.

Default: ON

Enables or disables microphone.

By default, Enable Microphone is selected.

System setup 65

Table 7. System setup options—Integrated Devices menu (continued)

Integrated Devices

Enable Internal Speaker Enables or disables internal speaker.

By default, Enable Internal Speaker is selected.

USB configuration

Enable USB Boot Support

Enable External USB Ports

Enable or disable booting from USB mass storage devices such as external hard drive, optical drive, and USB drive.

Enable or disable booting from USB mass storage devices connected to external

USB port.

Table 8. System setup options—Storage menu

Storage

SATA/

SATA Configure operating mode of the integrated SATA hard drive controller.

Default: Disabled

Storage Interface

M.2 PCIe SSD

Displays the information of various onboard drives.

Enables or disables the M.2 PCIe SSD.

Default: ON

Drive Information

M.2 PCIe SSD

Enable MediaCard

Displays the information of onboard drives.

Enables or disables the M.2 PCIe SSD.

Default: ON

Enables to switch all media cards On/Off or set the media card to read-only state.

By default, Enable Secure Digital (SD) Card is selected.

Table 9. System setup options—Display menu

Display

Display Brightness

Brightness on battery power Sets the screen brightness when the computer is running on battery power.

Default: 50

Brightness on AC power Sets the screen brightness when the computer is running on AC power.

Default: 100

Touchscreen

Touchscreen Enables or disables the touchscreen.

Default: ON

Full Screen Logo

Full Screen Logo Enabled or disabled the computer to display full screen logo if the image match screen resolution.

Default: OFF

66 System setup

Table 10. System setup options—Connection menu

Connection

Wireless Device Enable Enable or disable internal WLAN/Bluetooth devices.

By default, WLAN is selected.

By default, Bluetooth is selected.

Enable UEFI Network Stack

Enable UEFI Network Stack Enables or disables UEFI Network Stack.

Default: ON

Table 11. System setup options—Power menu

Power

Battery Configuration

Battery Configuration Enables the computer to run on battery during power usage hours. Use the below options to prevent AC power usage between certain times of each day.

Default: Adaptive. Battery settings are adaptively optimized based on your typical battery usage pattern.

Advanced Configuration

Enable Advanced Battery Charge

Configuration

Enables Advanced Battery Charge Configuration from the beginning of the day to a specified work period. Advanced Battery Charged maximizes battery health while still supporting heavy use during the work day.

Default: OFF

Peak Shift

Enable Peak Shift Enables the computer to run on battery during peak power usage hours.

Default: OFF

Thermal Management

Thermal Management Adjusts system performance, noise, and temperature.

Default: Optimized. Standard setting for balance of performance, noise, and temperature.

USB Wake Support

Wake on Dell USB-C Dock Enables connecting a Dell USB-C Dock to wake the computer from Standby.

Default: ON

Block Sleep

Block Sleep Blocks the computer from entering Sleep (S3) mode in the operating system.

Default: OFF

NOTE: If enabled, the computer will not go to sleep, Intel Rapid Start will be disabled automatically, and the operating system power option will be blank if it was set to Sleep.

Lid Switch

Enable Lid Switch

Power On Lid Open

Enables or disables the lid switch.

Enables the computer to power up from the off state whenever the lid is opened.

Default: ON

System setup 67

Table 11. System setup options—Power menu (continued)

Power

Intel Speed Shift Technology Enables or disables the Intel Speed Shift Technology support. Setting this option to enable allows the operating system to select the appropriate processor performance automatically.

Default: ON

Table 12. System setup options—Security menu

Security

TPM 2.0 Security On

PPI Bypass for Enable Commands Enables or disables the OS to skip BIOS Physical Presence Interface (PPI) user prompts when issuing TPM PPI enabled and activate commands.

Default: OFF

PPI Bypass for Disable Commands

TPM 2.0 Security On

Attestation Enable

Key Storage Enable

SHA-256

Clear

PPI Bypass for Clear Commands

TPM State

Enables or disables The OS to skip BIOS PPI user prompts when issuing TPM PPI

Disable and Deactivate commands.

Default: OFF

Select whether or not the Trusted Platform Model (TPM) is visible to the OS.

Default: ON

Enables to control whether the TPM Endorsement Hierarchy is available to the

OS. Disabling this setting restricts the ability to use the TPM for signature operations.

Default: ON

Enables to control whether the TPM Endorsement Hierarchy is available to the

OS. Disabling this setting restricts the ability to use the TPM for storing owner data.

Default: ON

Enables or disables the BIOS and the TPM to use the SHA-256 hash algorithm to extend measurements into the TPM PCRs during BIOS boot.

Default: ON

Enables or disables the computer to clear the PTT owner information, and returns the PTT to the default state.

Default: OFF

Enables or disables the operating system to skip BIOS Physical Presence

Interface (PPI) user prompts when issuing the Clear command.

Default: OFF

Enables or disables the TPM. This is the normal operating state for the TPM when you want to use its complete array of capabilities.

Default: Enabled

SMM Security Mitigation

SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections.

Default: OFF

NOTE: This feature may cause compatibility issues or loss of functionality with some legacy tools and applications.

Data Wipe on Next Boot

68 System setup

Table 12. System setup options—Security menu (continued)

Security

Start Data Wipe CAUTION: This Secure Wipe Operation deletes information in a way that it cannot be reconstructed.

If enabled, the BIOS will queue up a data wipe cycle for storage devices that are connected to the motherboard on the next reboot.

Default: OFF

Absolute

Absolute Enables, disables or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software.

Default: Enabled

UEFI Boot Path Security

UEFI Boot Path Security Enables or disables the system to prompt the user to enter the Admin password when booting a UEFI boot path from the F12 boot menu.

Default: Always Except Internal HDD

Table 13. System setup options—Passwords menu

Passwords

Admin Password Sets, Changes, or deletes the administrator (admin) password (sometimes called the "setup" password).

Sets, Changes, or deletes the system password.

System Password

Password Configuration

Upper Case Letter Enables or disables the requirement for at least one upper case letter.

Default: OFF

Lower Case Letter

Digit

Special Character

Minimum Characters

Enables or disables the requirement for at least one lower case letter.

Default: OFF

Enables or disables the requirement for at least one digit number.

Default: OFF

Enables or disables the requirement for at least one special character.

Default: OFF

Specify the minimum number of characters allowed for the password.

Default: 4

Password Bypass

Password Bypass Bypass the System (Boot) Password and the internal hard drive password prompts during a system restart.

Default: Disabled

Password Changes

Enable Non-Admin Password Changes Enables or disables the user to change the system and hard drive password without the need for admin password.

Default: ON

Admin Setup Lockout

System setup 69

Table 13. System setup options—Passwords menu (continued)

Passwords

Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an Admin Password is set.

Default: OFF

Master Password Lockout

Enable Master Password Lockout Enables or disables the master password support.

Default: OFF

Table 14. System setup options—Update, Recovery menu

Update, Recovery

UEFI Capsule Firmware Updates

Enable UEFI Capsule Firmware Updates Enables or disables BIOS updates through UEFI capsule update packages.

Default: ON

BIOS Recovery from Hard Drive

BIOS Recovery from Hard Drive Enables the computer to recover from a bad BIOS image, as long as the Boot

Block portion is intact and functioning.

Default: ON

NOTE: BIOS recovery is designed to fix the main BIOS block and cannot work if the Boot Block is damaged. In addition, this feature cannot work in the event of EC corruption, ME corruption, or a hardware issue. The recovery image must exist on an unencrypted partition on the drive.

BIOS Downgrade

Allow BIOS Downgrade Controls flashing of the system firmware to previous revisions.

Default: ON

SupportAssist OS Recovery

SupportAssist OS Recovery Enables or disables the boot flow for SupportAssist OS Recovery tool in the event of certain system errors.

Default: ON

BIOSConnect

BIOSConnect Enables or disables cloud Service OS recover if the main operating system fails to boot with the number of failures equal to or greater than the value specified by the Auto OS Recovery Threshold setup option.

Default: ON

Dell Auto OS Recovery Threshold

Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool.

Default: 2

Table 15. System setup options—System Management menu

System Management

Service Tag

Service Tag

Asset Tag

Displays the Service Tag of the computer.

70 System setup

Table 15. System setup options—System Management menu (continued)

System Management

Asset Tag Creates a system Asset Tag that can be used by an IT administrator to uniquely identify a particular system. Once set in BIOS, the Asset Tag cannot be changed.

AC Behavior

Wake on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer.

Default: OFF

Wake on LAN

Wake on LAN Enables or disables the computer to turn on by a special LAN signal.

Default: Disabled

Auto On Time

Auto On Time Enables the computer to automatically power on for defined days and times.

Default: Disabled. The system will not automatically power up.

Table 16. System setup options—Keyboard menu

Keyboard

Fn Lock Options

Fn Lock Options Enables or disables the Fn lock mode.

Default: ON

Lock Mode

Default: Lock Mode Secondary. Lock Mode Secondary = If this option is selected, the F1-F12 keys scan the code for their secondary functions.

Keyboard Illumination

Keyboard Illumination Configures the operating mode of the keyboard illumination feature.

Default: Bright. Enable the keyboard illumination feature at 100% brightness level.

Keyboard Backlight Timeout on AC

Keyboard Backlight Timeout on AC Configures the timeout value for the keyboard when an AC adapter is connected to the computer. The keyboard backlight timeout value is only effect when the backlight is enabled.

Default: 10 seconds

Keyboard Backlight Timeout on Battery

Keyboard Backlight Timeout on Battery Configures the timeout value for the keyboard when the computer is running on battery. The keyboard backlight timeout value is only effect when the backlight is enabled.

Default: 10 seconds

Table 17. System setup options—Pre-boot Behavior menu

Pre-boot Behavior

Adapter Warnings

Enable Dock Warning Messages Enables or disables dock warning messages.

Default: ON

Warnings and Errors

Warnings and Errors Selects an action on encountering a warning or error during boot.

System setup 71

Table 17. System setup options—Pre-boot Behavior menu (continued)

Pre-boot Behavior

Default: Prompt on Warnings and Errors. Stop, prompt, and wait for user input when warnings or errors are detected.

NOTE: Errors deemed critical to the operation of the computer hardware will always halt the computer.

USB-C Warnings

Enable Dock Warning Messages Enables or disables dock warning messages.

Default: ON

Fastboot

Fastboot Configures the speed of the UEFI boot process.

Default: Thorough. Performs complete hardware and configuration initialization during boot.

Extend BIOS POST Time

Extend BIOS POST Time Configures the BIOS POST (Power-On Self-Test) load time.

Default: 0 seconds

MAC Address Pass-Through

MAC Address Pass-Through Replaces the external NIC MAC address (in a supported dock or dongle) with the selected MAC address from the computer.

Default: System Unique MAC Address.

Mouse/Touchpad

Mouse/Touchpad Defines how the computer handles mouse and touchpad input.

Default: Touchpad and PS/2 Mouse. Leave the integrated touchpad enabled when an external PS/2 mouse is present.

Table 18. System setup options—Virtualization menu

Virtualization

Intel Virtualization Technology

Enable Intel Virtualization Technology (VT) Enables the computer to run a virtual machine monitor (VMM).

Default: ON

VT for Direct I/O

Enable Intel VT for Direct I/O Enables the computer to perform Virtualization Technology for Direct I/O (VT-d).

VT-d is an Intel method that provides virtualization for memory map I/O.

Default: ON

Table 19. System setup options—Performance menu

Performance

Multi-Core Support

Active Cores Changes the number of CPU cores available to the operating system. The default value is set to the maximum number of cores.

Default: All Cores

Intel SpeedStep

72 System setup

Table 19. System setup options—Performance menu (continued)

Performance

Enable Intel SpeedStep Technology Enables or disables the Intel SpeedStep Technology to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production.

Default: ON

Enable C-State Control Enables or disables the CPU's ability to enter and exit low-power states.

Default: ON

Intel Turbo Boost Technology

Enable Intel Turbo Boost Technology Enabled or disabled the Intel TurboBoost mode of the processor. If enabled, the Intel TurboBoost driver increases the performance of the CPU or graphics processor.

Default: ON

Intel Hyper-Threading Technology

Enable Intel Hyper-Threading Technology Enabled or disabled the Intel Hyper-Threading mode of the processor. If enabled, the Intel Hyper-Threading increases the efficiency of the processor resources when multiple threads run on each core.

Default: ON

Table 20. System setup options—System Logs menu

System Logs

BIOS Event Log

Clear Bios Event Log Select keep or clear BIOS events.

Default: Keep

Thermal Event Log

Clear Thermal Event Log Select keep or clear Thermal events.

Default: Keep

Power Event Log

Clear POWER Event Log Select keep or clear Power events.

Default: Keep

Clearing CMOS settings

CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.

1. Remove the

base cover

.

2. Disconnect the battery cable from the system board.

3. Remove the

coin-cell battery

.

4. Wait for one minute.

5. Replace the coin-cell battery

.

6. Connect the battery cable to the system board.

7. Replace the base cover

.

System setup 73

Clearing BIOS (System Setup) and System passwords

To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell .

NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying

Windows or your application.

74 System setup

35

Troubleshooting

SupportAssist diagnostics

The SupportAssist diagnostics (previously known as ePSA diagnostics) performs a complete check of your hardware. The

SupportAssist diagnostics is embedded in the BIOS and is launched by it internally. The SupportAssist diagnostics provides a set of options for particular devices or device groups. It allows you to:

● Run tests automatically or in an interactive mode.

● Repeat tests

● Display or save test results

● Run thorough tests to introduce additional test options and provide extra information about the failed device(s)

● View status messages that indicate if the tests are completed successfully

● View error messages that indicate if problems were encountered during the test

NOTE: Some tests are meant for specific devices and require user interaction. Ensure that you are present in front of the computer when the diagnostic tests are performed.

For more information, see SupportAssist Pre-Boot System Performance Check .

System-diagnostic lights

Power and battery-status light

The power and battery status light indicates the power and battery status of the computer. These are the power states:

Solid white: Power adapter is connected and the battery has more than 5% charge.

Amber: Computer is running on battery and the battery has less than 5% charge.

Off:

● Power adapter is connected, and the battery is fully charged.

● Computer is running on battery, and the battery has more than 5% charge.

● Computer is in sleep state, hibernation, or turned off.

The power and battery-status light may blink amber or white according to pre-defined "beep codes" indicating various failures.

For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off, indicating no memory or RAM is detected.

The following table shows different power and battery-status light patterns and associated problems.

NOTE: The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems. You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

Table 21. Diagnostic-light LED codes

Diagnostic light codes

(Amber,White)

Problem description

2,1

2,2

2,3

Processor failure

System board: BIOS or ROM (Read-Only

Memory) failure

No memory or RAM (Random-Access

Memory) detected

Recommended solutions

Replace the system board.

Flash latest BIOS version. If problem persists, replace the system board.

Confirm that the memory module is installed properly.

If problem persists, replace the memory module.

Troubleshooting 75

3,4

3,5

3,6

3,7

2,6

2,7

3,1

3,2

3,3

Table 21. Diagnostic-light LED codes (continued)

Diagnostic light codes

(Amber,White)

Problem description

2,4

2,5

Memory or RAM (Random-Access

Memory) failure

Invalid memory installed

System-board or chipset error

Display failure - SBIOS message

Coin-cell battery failure

PCI, video card/chip failure

Recovery image not found

Recovery image found but invalid

Power-rail failure

System BIOS Flash incomplete

Management Engine (ME) error

Recommended solutions

Reset and swap memory modules among the slots. If problem persists, replace the memory module.

Reset and swap memory modules among the slots. If problem persists, replace the memory module.

Flash latest BIOS version. If problem persists, replace the system board.

Flash latest BIOS version. If problem persists, replace the system board.

Reset the CMOS battery connection. If problem persists, replace the RTC battery.

Replace the system board.

Flash latest BIOS version. If problem persists, replace the system board.

Flash latest BIOS version. If problem persists, replace the system board.

EC ran into power sequencing failure. If problem persists, replace the system board.

Flash corruption detected by SBIOS. If problem persists, replace the system board.

Timeout waiting on ME to reply to HECI message. If problem persists, replace the system board.

Recovering the operating system

When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell

SupportAssist OS Recovery.

Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows 10 operating system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state.

You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at www.dell.com/support .

Flashing the BIOS

You may need to flash (update) the BIOS when an update is available or when you replace the system board.

Follow these steps to flash the BIOS:

1. Turn on your computer.

2. Go to www.dell.com/support .

3. Click Product support , enter the Service Tag of your computer, and then click Submit .

NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

4. Click Drivers & downloads > Find it myself .

5. Select the operating system installed on your computer.

76 Troubleshooting

6. Scroll down the page and expand BIOS .

7. Click Download to download the latest version of the BIOS for your computer.

8. After the download is complete, navigate to the folder where you saved the BIOS update file.

9. Double-click the BIOS update file icon and follow the instructions on the screen.

Flashing BIOS (USB key)

1. Follow the procedure from step 1 to step 7 in "

Flashing the BIOS

" to download the latest BIOS setup program file.

2. Create a bootable USB drive. For more information see the knowledge base article SLN143196 at www.dell.com/support .

3. Copy the BIOS setup program file to the bootable USB drive.

4. Connect the bootable USB drive to the computer that needs the BIOS update.

5. Restart the computer and press F12 when the Dell logo is displayed on the screen.

6. Boot to the USB drive from the One Time Boot Menu .

7. Type the BIOS setup program filename and press Enter .

8. The BIOS Update Utility appears. Follow the instructions on the screen to complete the BIOS update.

Backup media and recovery options

It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see Dell Windows Backup

Media and Recovery Options .

Drain residual flea power (perform hard reset)

Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is removed.

For your safety, and to protect the sensitive electronic components in your computer, you are requested to drain residual flea power before removing or replacing any components in your computer.

Draining residual flea power, also known as a performing a "hard reset", is also a common troubleshooting step if your computer does not power on or boot into the operating system.

To drain residual flea power (perform a hard reset)

1. Turn off your computer.

2. Disconnect the power adapter from your computer.

3. Remove the base cover.

4. Remove the battery.

5. Press and hold the power button for 20 seconds to drain the flea power.

6. Install the battery.

7. Install the base cover.

8. Connect the power adapter to your computer.

9. Turn on your computer.

NOTE: For more information about performing a hard reset, see the knowledge base article SLN85632 at www.dell.com/support .

WiFi power cycle

If your computer is unable to access the Internet due to WiFi connectivity issues, a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle:

NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.

Troubleshooting 77

1. Turn off your computer.

2. Turn off the modem.

3. Turn off the wireless router.

4. Wait for 30 seconds.

5. Turn on the wireless router.

6. Turn on the modem.

7. Turn on your computer.

78 Troubleshooting

36

Getting help and contacting Dell

Self-help resources

You can get information and help on Dell products and services using these self-help resources:

Table 22. Self-help resources

Self-help resources

Information about Dell products and services

My Dell app

Resource location www.dell.com

Tips

Contact Support

Online help for operating system

Access top solutions, diagnostics, drivers and downloads, and learn more about your computer through videos, manuals and documents.

In Windows search, type Contact Support , and press

Enter.

www.dell.com/support/windows

Your Dell computer is uniquely identified by a Service Tag or

Express Service Code. To view relevant support resources for your Dell computer, enter the Service Tag or Express Service

Code at www.dell.com/support .

For more information on how to find the Service Tag for your computer, see Locate the Service Tag on your computer .

Dell knowledge base articles for a variety of computer concerns

1. Go to www.dell.com/support .

2. On the menu bar at the top of the Support page, select

Support > Knowledge Base .

3. In the Search field on the Knowledge Base page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles.

Contacting Dell

To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell .

NOTE: Availability varies by country/region and product, and some services may not be available in your country/region.

NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog.

Getting help and contacting Dell 79

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