Dell Inspiron 3048 desktop Owner's Manual

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Dell Inspiron 3048 desktop Owner's Manual | Manualzz

Inspiron 20

Owner's Manual

Computer Model: Inspiron 20 Model 3048

Regulatory Model: W09B

Regulatory Type: W09B001

Notes, Cautions, and Warnings

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

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.

Copyright © 2014 Dell Inc. All rights reserved.

This product is protected by U.S. and international copyright and intellectual property laws. Dell ™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

2014 - 03

Rev. A00

Contents

Before Working Inside Your Computer .................................... 9

Before You Begin .............................................................................................. 9

Safety Instructions ............................................................................................. 9

Recommended Tools ...................................................................................... 10

After Working Inside Your Computer ......................................12

Technical Overview ......................................................................13

Inside View of Your Computer ........................................................................ 13

System Board Components ............................................................................14

Removing the Stand Assembly ..................................................16

Procedure .........................................................................................................16

Replacing the Stand Assembly .................................................. 19

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

Removing the Back Cover ..........................................................20

Prerequisites .................................................................................................... 20

Procedure ........................................................................................................ 20

Replacing the Back Cover ...........................................................21

Procedure .........................................................................................................21

Post-requisites ................................................................................................. 21

Removing the Hard Drive ........................................................... 22

Prerequisites .....................................................................................................22

Procedure .........................................................................................................22

Replacing the Hard Drive ........................................................... 25

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

Post-requisites ................................................................................................. 25

Removing the Optical Drive ...................................................... 26

Prerequisites .....................................................................................................26

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

Replacing the Optical Drive .......................................................28

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

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

Removing the Memory Module(s) ............................................29

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

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

Replacing the Memory Module(s) ............................................ 32

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

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

Removing the Control-Buttons Board ....................................35

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

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

Replacing the Control-Buttons Board .................................... 37

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

Post-requisites ................................................................................................. 37

Removing the Converter Board ................................................38

Prerequisites .....................................................................................................38

Procedure ........................................................................................................ 38

Replacing the Converter Board ................................................40

Procedure ........................................................................................................ 40

Post-requisites .................................................................................................40

Removing the System-Board Shield ........................................ 41

Prerequisites .....................................................................................................41

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

Replacing the System-Board Shield ........................................ 42

Procedure ........................................................................................................ 42

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

Removing the Antenna ............................................................... 43

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

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

Replacing the Antenna ................................................................45

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

Post-requisites .................................................................................................45

Removing the VESA-Mount Bracket ....................................... 46

Prerequisites .................................................................................................... 46

Procedure ........................................................................................................ 46

Replacing the VESA-Mount Bracket ........................................ 47

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

Post-requisites ................................................................................................. 47

Removing the Speaker Cover ....................................................48

Prerequisites .................................................................................................... 48

Procedure ........................................................................................................ 48

Replacing the Speaker Cover ....................................................49

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

Post-requisites .................................................................................................49

Removing the Microphone ........................................................50

Prerequisites .................................................................................................... 50

Procedure ........................................................................................................ 50

Replacing the Microphone .........................................................52

Procedure .........................................................................................................52

Post-requisites ................................................................................................. 52

Removing the Power-Adapter Port ......................................... 53

Prerequisites .....................................................................................................53

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

Replacing the Power-Adapter Port ..........................................55

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

Post-requisites ................................................................................................. 55

Removing the Wireless Card ..................................................... 56

Prerequisites .....................................................................................................56

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

Replacing the Wireless Card ......................................................58

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

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

Removing the Heat Sink ............................................................. 59

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

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

Replacing the Heat Sink ..............................................................61

Procedure .........................................................................................................61

Post-requisites ................................................................................................. 61

Removing the Coin-Cell Battery .............................................. 62

Prerequisites .....................................................................................................62

Procedure ........................................................................................................ 62

Replacing the Coin-Cell Battery .............................................. 64

Procedure ........................................................................................................ 64

Post-requisites .................................................................................................64

Removing the Speakers .............................................................. 65

Prerequisites .....................................................................................................65

Procedure ....................................................................................................... 65

Replacing the Speakers ...............................................................67

Procedure ........................................................................................................67

Post-requisites ................................................................................................. 67

Removing the Fan ........................................................................ 68

Prerequisites .................................................................................................... 68

Procedure ........................................................................................................ 68

Replacing the Fan .........................................................................70

Procedure ........................................................................................................ 70

Post-requisites ................................................................................................. 70

Removing the System Board ......................................................71

Prerequisites ..................................................................................................... 71

Procedure ........................................................................................................72

Replacing the System Board ......................................................74

Procedure .........................................................................................................74

Post-requisites ................................................................................................. 74

Removing the Camera .................................................................75

Prerequisites .....................................................................................................75

Procedure .........................................................................................................75

Replacing the Camera ................................................................. 81

Procedure .........................................................................................................81

Post-requisites .................................................................................................82

Flashing the BIOS ......................................................................... 83

Getting Help and Contacting Dell ........................................... 84

Self-Help Resources ........................................................................................84

Contacting Dell ................................................................................................84

Before Working Inside Your

Computer

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

Before You Begin

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

2 Shut down your computer.

– Windows 8: Move your mouse pointer to the upper-right or lowerright corner of the screen to open the charms sidebar, and then click or tap Settings → Power → Shut down .

– Windows 7: Click or tap Start → 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 cables such as telephone cables, network cables and so on, from your computer.

5 Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.

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

7 After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board.

CAUTION: Place the computer on a flat, soft and clean surface to avoid scratching the display.

8 Place the computer face down.

Safety Instructions

Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety.

9

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

WARNING: Disconnect 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 to the power source.

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

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

CAUTION: Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer. See the safety instructions for complete information about safety precautions, working inside your computer, and protecting against electrostatic discharge.

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 on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When connecting cables, make sure that the ports and connectors are correctly oriented and aligned.

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

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

Recommended Tools

The procedures in this document may require the following tools:

10

• Philips screwdriver

• Flat-head screwdriver

• Plastic scribe

11

After Working Inside Your

Computer

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

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

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

3 Replace any media cards, discs, and any other part(s) 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.

12

Technical Overview

WARNING: 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 dell.com/regulatory_compliance.

Inside View of Your Computer

1

3

5 fan microphone wireless card

7

9 memory module(s) speaker cover

11 VESA-mount bracket

13 control-buttons board

15 converter board

2

4

6 camera heat sink coin-cell battery

8 system board

10 display-panel base

12 hard-drive assembly

14 optical-drive assembly

13

System Board Components

5

7

1

3 fan-cable connector (FAN_CPU) 2 power-adapter port cable connector (ATX2)

4 hard-drive and optical-drive power cable connector (SATAP1)

6 hard-drive cable connector

(SATA_HDD)

8 processor (CPU1) converter-board cable connector (CONVERTER) optical-drive cable connector

(SATA_ODD) control-buttons board cable connector (PWRCN1)

14

9 touch-control board cable connector (optional) (TOUCH)

10 speaker-cable connector

(SPEAKER)

11 memory-module slot (DIMM1) 12 memory-module slot (DIMM2)

13 camera-cable connector

(WEBCAM)

14 display-cable connector (LVDS)

15 wireless-card slot (NGFF_WIFI) 16 coin-cell battery (BATTERY)

15

Removing the Stand Assembly

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Place the computer face down on a soft cloth or a clean surface.

2 Release the tabs on the stand cover.

3 Slide and remove the stand cover away from the computer.

1 stand cover 2 back cover

4 Remove the screws that secure the stand assembly to the display-panel base.

16

5 Pivot the stand assembly upward and slide it away from the computer.

1 screws (4)

3 stand assembly

2 back cover

To remove either the stand base or stand riser from the stand assembly, follow the steps below:

6 Lift the screw handle on the stand base.

7 Using the screw handle, loosen the captive thumbscrew that secures the stand base to the stand riser.

17

8 Slide the stand base off the stand riser.

1 stand riser

3 captive thumbscrew

2 screw handle

4 stand base

18

Replacing the Stand Assembly

WARNING: 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 dell.com/regulatory_compliance.

Procedure

Follow the steps below to replace either the stand base or the stand riser:

1 Slide the stand base into the slot on the stand riser.

2 Tighten the captive thumbscrew and fold the screw handle on the stand base.

Follow the steps below to replace the stand assembly:

3 Slide the tabs on the stand assembly into the slots on the back cover.

4 Replace the screws that secure the stand assembly to the display-panel base.

5 Slide the tabs on the stand cover into the slots on the back cover and snap the stand cover until it clicks into place.

19

Removing the Back Cover

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

Follow the procedure from step 1 to step 5 in “Removing the Stand Assembly ”.

Procedure

1 Using a plastic scribe, pry the back cover from the display bezel starting from around the optical-drive area.

2 Lift the back cover at an angle and remove it from the computer.

20

1 plastic scribe

3 back cover

2 display bezel

Replacing the Back Cover

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Slide the slots on the back cover into the ports on the computer and align the tabs on the back cover with the slots on the display bezel.

2 Snap the back cover into place.

Post-requisites

Follow the procedure from step 3 to step 5 in “Replacing the Stand Assembly ”.

21

Removing the Hard Drive

WARNING: 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 dell.com/regulatory_compliance.

CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

CAUTION: To avoid data loss, do not remove the hard drive while the computer is in Sleep or On state.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Press and release the tab on the hard-drive assembly.

2 Lift the hard-drive assembly and release the tabs on the hard-drive assembly from the slots on the display-panel base.

22

3 Disconnect the hard-drive and optical-drive power and data cable from the hard-drive assembly.

1 hard-drive and optical-drive power and data cable

3 tab

2 hard-drive assembly

4 display-panel base

4 Pull the sides of the hard-drive bracket to release the pins securing the hard drive.

23

5 Lift the hard drive off the hard-drive bracket.

1 hard drive

3 pins (4)

2 hard-drive bracket

24

Replacing the Hard Drive

WARNING: 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 dell.com/regulatory_compliance.

CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

Procedure

1 Pull the sides of the hard-drive bracket and slide the pins on the harddrive brackets into the holes on the hard drive.

2 Connect the hard-drive and optical-drive power and data cable to the hard-drive assembly.

3 Slide the tabs on the hard-drive assembly into the slots on the displaypanel base and snap the hard-drive assembly to the display-panel base.

NOTE: Make sure the tabs on the hard-drive bracket are secured on the slots on the display-panel base.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

25

Removing the Optical Drive

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Remove the screw that secures the optical-drive assembly to the displaypanel base.

2 Push the optical-drive bracket to disconnect the optical-drive assembly and then slide the optical-drive assembly out of the optical-drive bay.

26

1 optical-drive assembly

3 screw

2 optical-drive bracket

3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly.

4 Remove the screws that secure the optical-drive bracket to the optical drive and remove the optical-drive bracket from the optical drive.

1 optical-drive bezel

3 optical-drive bracket

2 optical drive

4 screws (2)

27

Replacing the Optical Drive

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.

2 Replace the screws that secure the optical-drive bracket to the optical drive.

3 Align the tabs on the optical-drive bezel with the slots on the opticaldrive assembly and snap the optical-drive bezel into place.

4 Slide the optical-drive assembly into the optical-drive bay until it is fully seated.

5 Replace the screw that secures the optical-drive assembly to the displaypanel base.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

28

Removing the Memory

Module(s)

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

29

Procedure

1 Using the pull tab, slide the memory-module shield and remove it from the system-board shield.

1 pull tab

3 system-board shield

2 memory-module shield

2 Using your fingertips, pry apart the securing clips on each end of the memory-module slot until the memory module pops up.

30

1 securing clips (2) 2 memory-module slot

3 Remove the memory module from the memory-module slot.

1 memory module 2 memory-module slot

31

Replacing the Memory

Module(s)

WARNING: 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 dell.com/regulatory_compliance.

32

Procedure

NOTE: If you are installing only one memory module, insert the memory module in the memory-module slot marked as DIMM1.

1 Align the notch on the memory module with the tab on the memorymodule slot.

2 Insert the memory module into the memory-module slot, and press the memory module down until it clicks into place.

NOTE: If you do not hear the click, remove the memory module and reinstall it.

1 notch

3 memory-module slot

2 tab

33

1 memory module

3 Slide the tabs on the memory-module shield under the tabs on the system-board shield until the memory-module shield is fully secured.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

34

Removing the Control-

Buttons Board

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Using a plastic scribe, pry the Mylar sheet to release the control-buttons board from the slot on the display bezel.

2 Disconnect the control-buttons board cable from the control-buttons board.

35

3 Lift the control-buttons board away from the display bezel.

1 control-buttons board

3 plastic scribe

2 Mylar sheet

4 control-buttons board cable

36

Replacing the Control-Buttons

Board

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Connect the control-buttons board cable to the control-buttons board.

2 Slide the control-buttons board into the slot on the display bezel and adhere the Mylar sheet to the display bezel.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

37

Removing the Converter

Board

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Disconnect the converter-board cables from the converter board.

2 Remove the screws that secure the converter board to the display-panel base.

38

3 Lift the converter board off the display-panel base.

1 converter-board cables (2)

3 screws (2)

2 converter board

39

Replacing the Converter Board

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the converter board with the screw holes on the display-panel base.

2 Replace the screws that secure the converter board to the display-panel base.

3 Connect the converter-board cables to the converter board.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

40

Removing the System-Board

Shield

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Remove the screws that secure the system-board shield to the displaypanel base.

2 Lift the system-board shield at an angle and remove it from the displaypanel base.

1 system-board shield 2 screws (2)

41

Replacing the System-Board

Shield

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Slide the slots on the system-board shield into the ports on the system board.

2 Align the screw holes on the system-board shield with the screw holes on the display-panel base.

3 Replace the screws that secure the system-board shield to the displaypanel base.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

42

Removing the Antenna

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

Procedure

1 Note the routing of the camera cable and remove it from the routing guides on the display-panel base.

2 Note the location of the antennas and pry the antennas from the displaypanel base.

3 Note the routing of the antenna cables and disconnect the antenna cables from the wireless card.

4 Remove the antenna cables from under the camera cable.

43

5 Lift the antennas along with the cables off the display-panel base.

1 camera cable

3 wireless card

5 antennas (2)

2 routing guide

4 antenna cables (2)

44

Replacing the Antenna

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align and adhere the antennas to the display-panel base.

2 Route the antenna cables under the camera cable and connect the cables to the wireless card.

3 Route the camera cable through the routing guides on the display-panel base.

Post-requisites

1

Replace the system-board shield .

2

Replace the back cover .

3

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

45

Removing the VESA-Mount

Bracket

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

Procedure

1 Remove the screws that secure the VESA-mount bracket to the displaypanel base.

2 Lift the VESA-mount bracket off the display-panel base.

46

1 screws (4) 2 VESA-mount bracket

Replacing the VESA-Mount

Bracket

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the VESA-mount bracket with the screw holes on the display-panel base.

2 Replace the screws that secure the VESA-mount bracket to the displaypanel base.

Post-requisites

1

Replace the system-board shield .

2

Replace the back cover .

3

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

47

Removing the Speaker Cover

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Remove the screws that secure the speaker cover to the display bezel.

2 Lift the speaker cover off the display bezel.

48

1 screws (4)

3 display bezel

2 speaker cover

Replacing the Speaker Cover

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the speaker cover with the screw holes on the display bezel.

2 Replace the screws that secure the speaker cover to the display bezel.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

49

Removing the Microphone

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

NOTE: The instructions are applicable only for touchscreen computer.

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

Procedure

1 Remove the screw that secures the microphone-module bracket to the display bezel.

2 Lift the microphone-module assembly and then disconnect the microphone cable from the microphone module.

3 Remove the screw that secures the microphone-module bracket to the microphone module.

50

4 Remove the microphone-module bracket off the microphone module.

1 screws (2)

3 microphone cable

2 microphone-module bracket

4 microphone module

51

Replacing the Microphone

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw hole on microphone module with the screw hole on the microphone-module bracket.

2 Replace the screw that secures the microphone-module bracket to the microphone module.

3 Connect the microphone cable to the microphone-module connector.

4 Align the screw hole on the microphone-module bracket with the screw hole on the display bezel.

5 Replace the screw that secures the microphone-module bracket to the display bezel.

Post-requisites

1

Replace the back cover .

2

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

52

Removing the Power-Adapter

Port

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

4 Remove the

VESA-mount bracket

.

Procedure

1 Note the routing of the power-adapter port cable on the system board.

2 Disconnect the power-adapter port cable from the system board.

3 Remove the screw that secures the power-adapter port to the bracket on the display-panel base.

53

4 Lift the power-adapter port along with the cable off the display-panel base.

1 power-adapter port cable

3 display-panel base

2 power-adapter port

4 screw

54

Replacing the Power-Adapter

Port

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Slide the power-adapter port into the bracket on the display-panel base.

2 Align the screw hole on the power-adapter port with the screw hole on the bracket on the display-panel base.

3 Replace the screw that secures the power-adapter port to the bracket on display-panel base.

4 Route the power-adapter port cable on the system board and connect the cable to the system board.

Post-requisites

1

Replace the VESA-mount bracket

.

2

Replace the system-board shield .

3

Replace the back cover .

4

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

55

Removing the Wireless Card

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

Procedure

1 Disconnect the antenna cables from the wireless card.

2 Remove the screw that secures the wireless card to the system board.

56

3 Slide and remove the wireless card from the wireless-card slot on the system board.

1 antenna cables (2)

3 wireless card

2 screw

4 wireless-card slot

57

Replacing the Wireless Card

WARNING: 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 dell.com/regulatory_compliance.

Procedure

CAUTION: To avoid damaging the wireless card, do not place any cables under it.

1 Align the notch on the wireless card with the tab on the wireless-card slot.

2 Slide the wireless card at an angle into the wireless-card slot on the system board.

3 Press the other end of the wireless card down and replace the screw that secures the wireless card to the system board.

4 Connect the antenna cables to the wireless card.

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

Connectors on the wireless card

Main (white triangle)

Auxiliary (black triangle)

Antenna-cable color

White

Black

Post-requisites

1

Replace the system-board shield .

2

Replace the back cover .

3

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

58

Removing the Heat Sink

WARNING: 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 dell.com/regulatory_compliance.

WARNING: The heat sink may become hot during normal operation.

Allow sufficient time for the heat sink to cool before you touch it.

CAUTION: To ensure maximum cooling for 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

NOTE: The heat sink may look different on your computer depending on the configuration you ordered.

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

Procedure

1 Remove the screw that secures the heat sink to the display-panel base.

2 In sequential order (indicated on the heat sink), loosen the captive screws that secure the heat sink to the system board.

59

3 Lift the heat sink off the system board.

1 screw

3 captive screws (7)

2 heat sink

4 system board

60

Replacing the Heat Sink

WARNING: 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 dell.com/regulatory_compliance.

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

NOTE: The original thermal grease can be reused if the original system board and fan are reinstalled together. If either the system board or the fan is replaced, use the thermal pad provided in the kit to make sure that thermal conductivity is achieved.

Procedure

1 Clean the thermal grease from the bottom of the heat sink and reapply the thermal grease.

2 Align the captive screws on the heat sink with the screw holes on the system board.

3 In sequential order (indicated on the heat sink), tighten the captive screws that secure the heat sink to the system board.

4 Replace the screw that secures the heat sink to the display-panel base.

Post-requisites

1

Replace the system-board shield .

2

Replace the back cover .

3

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

61

Removing the Coin-Cell

Battery

WARNING: 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 dell.com/regulatory_compliance.

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

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

4 Remove the

heat sink .

Procedure

1 Locate the battery socket on the

system board

.

2 Using the tab on the protective cover, lift the cover off the coin-cell battery.

62

3 Using a plastic scribe, gently pry out the coin-cell battery from the battery socket on the system board.

1 tab

3 plastic scribe

2 protective cover

4 coin-cell battery

63

Replacing the Coin-Cell

Battery

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 With the positive side facing up, insert the new coin-cell battery (CR2032) into the battery socket and snap the battery into place.

2 Snap the protective cover to the coin-cell battery.

Post-requisites

1

Replace the heat sink .

2

Replace the system-board shield .

3

Replace the back cover .

4

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

64

Removing the Speakers

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

4 Remove the

speaker cover .

Procedure

1 Disconnect the speaker cable from the system board.

2 Note the speaker cable routing and remove the cable from the routing guides on the display-panel base.

3 Remove the screws that secure the speakers to the display bezel.

65

4 Lift the speakers along with the cable off the display bezel.

1 speaker cable

3 speakers (2)

2 screws (4)

4 display bezel

66

Replacing the Speakers

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the speakers with the screw holes on the display bezel.

2 Replace the screws that secure the speakers to the display bezel.

3 Route the speaker cable through the routing guides on the display-panel base.

4 Connect the speaker cable to the system board.

Post-requisites

1

Replace the speaker cover

.

2

Replace the system-board shield .

3

Replace the back cover .

4

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

67

Removing the Fan

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

4 Remove the

VESA-mount bracket

.

Procedure

1 Disconnect the fan cable from the system board.

2 Remove the screws that secure the fan to the display-panel base.

68

3 Lift the fan along with its cable off the display-panel base.

1 fan

3 fan cable

2 screws (2)

69

Replacing the Fan

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the fan with the screw holes on the displaypanel base.

2 Replace the screws that secure the fan to the display-panel base.

3 Connect the fan cable to the system board.

Post-requisites

1

Replace the VESA-mount bracket

.

2

Replace the system-board shield .

3

Replace the back cover .

4

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

70

Removing the System Board

WARNING: 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 dell.com/regulatory_compliance.

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

NOTE: Replacing the system board removes any changes you have made to the BIOS using System Setup. You must make the desired 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 them correctly after you replace the system board.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Remove the

system-board shield

.

4 Remove the

VESA-mount bracket

.

5 Remove the

memory module(s) .

6 Remove the

wireless card .

7 Remove the

heat sink .

71

Procedure

1 Lift the connector latch and disconnect the display cable from the system board.

2 Disconnect the fan cable, power-adapter port cable, converter-board cable, hard-drive and optical-drive power cable, optical-drive cable, hard-drive cable, control-buttons board cable, touch-control board cable (optional), speaker cable, and camera cable from the system board.

For more information, see System Board Components

.

72

1 camera cable

3 connector latch

5 hard-drive and optical-drive power cable

7 power-adapter port cable

9 control-buttons board cable

2 display cable

4 fan cable

6 converter-board cable

8 optical-drive cable

10 hard-drive cable

11 touch-control board cable

(optional)

12 speaker cable

3 Remove the screws that secure the system board to the display-panel base.

4 Lift the system board at an angle and release the ports on the system board from the tab on the display-panel base.

1 screws (5)

3 system board

2 tab

73

Replacing the System Board

WARNING: 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 dell.com/regulatory_compliance.

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

Procedure

1 Slide the ports on the system board into the slots on the display-panel base and align the screw holes on the system board with the screw holes on the display-panel base.

2 Replace the screws that secure the system board to the display-panel base.

3 Connect the fan cable, power-adapter port cable, converter-board cable, hard-drive and optical-drive power cable, optical-drive cable, hard-drive cable, control-buttons board cable, touch-control board cable (optional), speaker cable, and camera cable to the system board.

For more information, see System Board Components

.

4 Slide the display cable into the system-board connector and press down on the connector latch to secure the cable.

Post-requisites

1

Replace the heat sink .

2

Replace the wireless card

.

3

Replace the memory module(s)

.

4

Replace the VESA-mount bracket

.

5

Replace the system-board shield .

6

Replace the back cover .

7

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

74

Removing the Camera

WARNING: 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 dell.com/regulatory_compliance.

Prerequisites

1

Follow the procedure from step 1 to step 5 in “Removing the Stand

Assembly

”.

2 Remove the

back cover

.

3 Follow the procedure from step 1 and step 2 in “Removing the

Optical

Drive ”.

4 Remove the

system-board shield

.

5 Remove the

VESA-mount bracket

.

Procedure

1 Disconnect the camera cable from the system board and remove the camera cable from the routing guides on the display-panel base.

2 Disconnect the speaker cable from the system board and remove the speaker cable from the routing guides on the display-panel base.

3 Disconnect the control-buttons board cable from the control-buttons board.

75

4 Disconnect the converter-board cable from the display panel.

1 routing guide

3 system board

5 control-buttons board cable

2 camera cable

4 speaker cable

6 converter-board cable

5 Remove the screws that secure the display-panel base to the display bezel.

76

6 Push and release the tabs that secure the display-panel base to the display bezel.

1 tabs (3)

3 display bezel

2

4 screws (16) display-panel base

7 Note the touch-control board cable (optional) routing and display cable routing.

8 Disconnect the touch-control board cable (optional) from the system board.

9 Lift the connector latch and disconnect the display cable from the system board.

77

10 Release the touch-control board cable (optional) and display cable through the slots on the display-panel base.

78

1 display cable

3 touch-control board cable

(optional)

2 connector latch

4 display-panel base

11 Lift the display-panel base off the display panel and keep it on a flat and clean surface.

1 display-panel base

12 Remove the screws that secure the camera assembly to the display bezel.

79

13 Carefully lift the camera assembly and turn it over.

1 display bezel

3 screws (2)

2 camera assembly

14 Disconnect the camera cable from the camera assembly.

15 Remove the screw that secures the camera to the camera bracket.

16 Lift the camera at an angle and remove it from under the tab on the camera bracket.

80

1 screw

3 camera

5 camera cable

2 camera bracket

4 tab

Replacing the Camera

WARNING: 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 dell.com/regulatory_compliance.

Procedure

1 Slide the camera under the tab on the camera bracket and align the screw hole on the camera with the screw hole on the camera bracket.

2 Replace the screw that secures the camera to the camera bracket.

3 Connect the camera cable to the camera.

4 Turn the camera assembly over and align the screw holes on the camera assembly with the screw holes on the display bezel.

5 Replace the screws that secure the camera assembly to the display bezel.

6 Slide the touch-control board cable (optional) and display cable through the slots on the display-panel base.

7 Align the screw holes on the display-panel base with the screw holes on the display bezel and snap the display-panel base into place.

CAUTION: Make sure that no cables are placed under the displaypanel base.

8 Replace the screws that secure the display-panel base to the display bezel.

9 Connect the converter-board cable to the display panel.

10 Connect the control-buttons board cable to the control-buttons board.

11 Route the touch-control board cable (optional) and connect the cable to the system board.

12 Route the speaker cable through the routing guides on the display-panel base and connect the speaker cable to the system board.

13 Route the camera cable through the routing guides on the display-panel base and connect the camera cable to the system board.

14 Slide the display cable into the connector on the system board and press down on the connector latch to secure the cable.

81

Post-requisites

1

Replace the VESA-mount bracket

.

2

Replace the system-board shield .

3 Follow the procedure from step 4 and step 5 in “Replacing the

Optical

Drive ”.

4

Replace the back cover .

5

Follow the procedure from step 3 to step 5 in “Replacing the Stand

Assembly

”.

82

Flashing the BIOS

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

1 Turn on the computer.

2 Go to dell.com/support .

3 If you have your computer's Service Tag, type your computer's Service

Tag and click Submit .

If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of the Service Tag.

NOTE: If the Service Tag cannot be detected automatically, select your product under the product categories.

4 Click Get Drivers and Downloads .

5 Click View All Drivers .

6 In the Operating System drop-down, select the operating system installed on your computer.

7 Click BIOS .

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

9 On the next page, select Single-file download and click Continue .

10 Save the file and once the download is complete, navigate to the folder where you saved the BIOS update file.

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

83

Getting Help and Contacting

Dell

Self-Help Resources

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

Self-Help Information

Accessing Windows Help

Information about Dell products and services

Troubleshooting information, user manuals, setup instructions, product specifications, technical help blogs, drivers, software updates, and so on

Information about Microsoft

Windows 8

Information about Microsoft

Windows 7

Learn about your operating system, setting up and using your computer, data backup, diagnostics, and so on.

Self-Help Options

Windows 8 — Open the Search charm, type Help and Support in the search box and press <Enter> .

Windows 7 — Click Start → Help and Support .

See dell.com

See dell.com/support

See dell.com/windows8

Click Start → All Programs → Dell

Help Documentation

See Me and My Dell at dell.com/ support/manuals .

Contacting Dell

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

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

84

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

85

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Key Features

  • All-in-One PC Black 130 W
  • Intel® Core™ i3 i3-4130 3.4 GHz
  • 49.5 cm (19.5") HD+ 1600 x 900
  • 4 GB DDR3L-SDRAM 1600 MHz
  • 1 TB HDD DVD Super Multi Card reader integrated
  • AMD Radeon R5 240 1.02 TB Intel® HD Graphics 4400
  • 0.92 MP 1280 x 720 pixels
  • Wi-Fi 5 (802.11ac) Ethernet LAN 10,100,1000 Mbit/s Bluetooth 4.0
  • Windows 8.1 64-bit

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