XPS 15 Service Manual
XPS 15
Service Manual
Computer Model: XPS 9550
Regulatory Model: P56F
Regulatory Type: P56F001
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.
Copyright © 2016 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.
2016–12
Rev. A02
Contents
Before working inside your computer............................ 9
Before you begin ...................................................................................... 9
Safety instructions.................................................................................... 9
Recommended tools................................................................................ 10
After working inside your computer.............................. 11
Removing the base cover............................................. 12
Procedure................................................................................................ 12
Replacing the base cover............................................. 15
Procedure................................................................................................ 15
Removing the battery...................................................16
Prerequisites............................................................................................16
Procedure................................................................................................ 16
Replacing the battery................................................... 18
Procedure................................................................................................ 18
Post-requisites.........................................................................................18
Removing the hard drive.............................................. 19
Prerequisites............................................................................................ 19
Procedure................................................................................................ 19
Replacing the hard drive.............................................. 23
Procedure............................................................................................... 23
Post-requisites........................................................................................ 23
3
Removing the solid-state drive (half-length)............... 24
Prerequisites........................................................................................... 24
Procedure............................................................................................... 24
Replacing the solid-state drive (half-length)................27
Procedure............................................................................................... 27
Post-requisites........................................................................................ 27
Removing the solid-state drive (full-length)................ 28
Prerequisites........................................................................................... 28
Procedure............................................................................................... 28
Replacing the solid-state drive (full-length)................. 31
Procedure................................................................................................ 31
Post-requisites.........................................................................................31
Removing the speakers................................................32
Prerequisites........................................................................................... 32
Procedure............................................................................................... 32
Replacing the speakers................................................ 34
Procedure............................................................................................... 34
Post-requisites........................................................................................ 34
Removing the wireless card......................................... 35
Prerequisites........................................................................................... 35
Procedure............................................................................................... 35
Replacing the wireless card..........................................37
Procedure............................................................................................... 37
Post-requisites........................................................................................ 37
4
Removing the fans....................................................... 38
Prerequisites........................................................................................... 38
Procedure............................................................................................... 38
Replacing the fans........................................................41
Procedure................................................................................................ 41
Post-requisites.........................................................................................41
Removing the heat-sink assembly................................42
Prerequisites........................................................................................... 42
Procedure............................................................................................... 42
Replacing the heat-sink assembly................................ 44
Procedure............................................................................................... 44
Post-requisites........................................................................................ 44
Removing the memory modules................................... 45
Prerequisites........................................................................................... 45
Procedure............................................................................................... 45
Replacing the memory modules................................... 47
Procedure............................................................................................... 47
Post-requisites........................................................................................ 48
Removing the system board........................................ 50
Prerequisites........................................................................................... 50
Procedure............................................................................................... 50
Replacing the system board.........................................54
Procedure............................................................................................... 54
Post-requisites........................................................................................54
5
Removing the audio daughter board............................ 56
Prerequisites........................................................................................... 56
Procedure............................................................................................... 57
Replacing the audio daughter board............................ 59
Procedure............................................................................................... 59
Post-requisites........................................................................................59
Removing the coin-cell battery....................................60
Prerequisites........................................................................................... 60
Procedure............................................................................................... 60
Replacing the coin-cell battery.................................... 62
Procedure............................................................................................... 62
Post-requisites........................................................................................62
Removing the keyboard............................................... 63
Prerequisites........................................................................................... 63
Procedure............................................................................................... 63
Replacing the keyboard............................................... 67
Procedure............................................................................................... 67
Post-requisites........................................................................................ 67
Removing the display assembly................................... 68
Prerequisites........................................................................................... 68
Procedure............................................................................................... 68
Replacing the display assembly.................................... 72
Procedure............................................................................................... 72
Post-requisites........................................................................................ 72
6
Removing the power-adapter port............................... 73
Prerequisites........................................................................................... 73
Procedure............................................................................................... 73
Replacing the power-adapter port............................... 75
Procedure............................................................................................... 75
Post-requisites........................................................................................ 75
Removing the antenna cover....................................... 76
Prerequisites........................................................................................... 76
Procedure................................................................................................77
Replacing the antenna cover........................................79
Procedure............................................................................................... 79
Post-requisites........................................................................................ 79
Removing the display hinges........................................80
Prerequisites........................................................................................... 80
Procedure................................................................................................ 81
Replacing the display hinges........................................ 83
Procedure............................................................................................... 83
Post-requisites........................................................................................ 83
Removing the antenna module.....................................84
Prerequisites........................................................................................... 84
Procedure............................................................................................... 84
Replacing the antenna module..................................... 86
Procedure............................................................................................... 86
Post-requisites........................................................................................86
7
Removing the palm-rest assembly............................... 87
Prerequisites........................................................................................... 87
Procedure............................................................................................... 87
Replacing the palm-rest assembly............................... 89
Procedure............................................................................................... 89
Post-requisites........................................................................................89
Flashing the BIOS........................................................ 90
Getting help and contacting Dell.................................. 91
Self-help resources.................................................................................. 91
Contacting Dell........................................................................................92
8
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.
The shut-down instruction varies depending on the operating system installed on
your computer.
– Windows 10: Click Start →
Power → Shut down.
– Windows 8.1: On the Start screen, Click the power icon
– Windows 7: Click Start → Shut down.
→ 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.
6
Close the display and turn the computer over.
Safety instructions
Use the following safety guidelines to protect your computer from potential damage
and ensure your personal safety.
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 www.dell.com/
regulatory_compliance.
9
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 electrical outlet.
CAUTION: To avoid damaging the computer, ensure 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: 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 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 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, ensure that the ports and
connectors are correctly oriented and aligned.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended tools
The procedures in this document may require the following tools:
•
Philips screwdriver
•
Flat-head screwdriver
•
Torx #5 (T5) screwdriver
•
Plastic scribe
10
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.
11
Removing the base 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 www.dell.com/
regulatory_compliance.
Procedure
1
Close the display and turn the computer over.
2
Turn the system badge over and place it on the base cover.
12
3
Remove the screws that secure the base cover to the palm-rest assembly.
1
base cover
3
screws (12)
2
system badge
13
4
Using your fingertips, gently pry the base cover off the palm-rest assembly.
1
14
base cover
Replacing the base 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 www.dell.com/
regulatory_compliance.
Procedure
1
Place the base cover on the palm-rest assembly and snap it into place.
2
Replace the screws that secure the base cover to the palm-rest assembly.
3
Turn the system badge over and snap it into place.
4
Turn the computer over.
15
Removing the 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 www.dell.com/
regulatory_compliance.
Prerequisites
Remove the base cover.
Procedure
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
1
Remove the screws that secure the battery to the palm-rest assembly.
2
Disconnect the battery cable from the system board.
16
3
4
Lift the battery off the palm-rest assembly.
1
battery cable
2
screws (4)
3
battery
4
palm-rest assembly
Turn the computer over, open the display, and press the power button for five
seconds to ground the system board.
17
Replacing the 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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the screw holes on the battery with the screw holes on the palm-rest
assembly.
2
Replace the screws that secure the battery to the palm-rest assembly.
3
Connect the battery cable to the system board.
Post-requisites
Replace the base cover.
18
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 www.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
Remove the base cover.
2
Remove the battery.
Procedure
1
Remove the screws that secure the hard-drive assembly to the palm-rest
assembly.
19
2
3
20
Lift the hard-drive cage off the hard-drive assembly.
1
screws (4)
3
hard-drive assembly
2
hard-drive cage
Using the pull tab disconnect the hard-drive cable from the system board.
4
Lift the hard-drive assembly off the palm-rest assembly.
1
pull tab
2
hard-drive assembly
21
5
Disconnect the hard-drive interposer from the hard-drive assembly.
1
6
2
hard-drive interposer
Remove the hard-drive covers away from the hard drive.
1
22
hard-drive assembly
hard-drive covers (2)
2
hard drive
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 www.dell.com/
regulatory_compliance.
CAUTION: Hard drives are fragile. Exercise care when handling the hard
drive.
Procedure
1
Replace the hard-drive covers on the hard drive.
2
Connect the hard-drive interposer to the hard-drive assembly.
3
Place the hard-drive assembly on the palm-rest assembly.
4
Connect the hard-drive cable to the system board.
5
Align the screw holes on the hard-drive cage with the screw holes on the harddrive assembly.
6
Replace the screws that secure the hard-drive cage to the palm-rest assembly.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
23
Removing the solid-state drive
(half-length)
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 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
1
24
Remove the screw that secures the solid-state drive assembly to the system
board.
2
Lift and slide the solid-state drive assembly from the system board.
1
screw
2
solid-state drive assembly
3
solid-state drive slot
4
system board
25
3
4
26
Remove the screw that secures the solid-state drive to the solid-state drive
bracket.
1
solid-state drive bracket
3
solid-state drive
2
screw
Lift the solid-state drive off the solid-state drive bracket.
Replacing the solid-state drive
(half-length)
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 www.dell.com/
regulatory_compliance.
CAUTION: Solid-state drives are fragile. Exercise care when handling the
solid-state drive.
Procedure
1
Align the screw hole on the solid-state drive bracket with the screw hole on the
solid-state drive.
2
Replace the screw that secures the solid-state drive to the solid-state drive
bracket
3
Align the notches on the solid-state drive assembly with the tabs in the solidstate drive slot.
4
Slide the solid-state drive assembly at an angle into the solid-state drive slot.
5
Press the other end of the solid-state drive down and replace the screw that
secures the solid-state drive to the system board.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
27
Removing the solid-state drive
(full-length)
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 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
1
28
Remove the screw that secures the solid-state drive to the system board.
2
Lift and slide the solid-state drive from the system board.
1
screw
2
thermal pad
3
solid-state drive slot
4
solid-state drive
29
3
Peel the thermal pad off the solid-state drive.
1
30
thermal pad
2
solid-state drive
Replacing the solid-state drive
(full-length)
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 www.dell.com/
regulatory_compliance.
CAUTION: Solid-state drives are fragile. Exercise care when handling the
solid-state drive.
Procedure
1
Adhere the thermal pad to the solid-state drive.
2
Slide the solid-state drive at an angle into the solid-state drive slot.
3
Press the other end of the solid-state drive down and replace the screw that
secures the solid-state drive to the system board.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
31
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 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
Note the speaker-cable routing and remove the cable from the routing guides.
3
Remove the screws that secure the speakers to the palm-rest assembly.
32
4
Lift the speakers, along with the speaker cable, off the palm-rest assembly.
1
speaker cable
2
screws (4)
3
speakers (2)
4
palm-rest assembly
33
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 www.dell.com/
regulatory_compliance.
Procedure
1
Using the alignment posts, place the speakers on the palm-rest assembly.
2
Replace the screws that secure the speakers to the palm-rest assembly.
3
Route the speaker cables through the routing guides on the palm-rest assembly.
4
Connect the speaker cable to the system board.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
34
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
Procedure
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
1
Remove the screw that secures the wireless-card bracket to the wireless card.
2
Lift the wireless-card bracket off the wireless card.
3
Disconnect the antenna cables from the wireless card.
35
4
36
Slide and remove the wireless card out of the wireless-card slot.
1
screw
2
wireless-card bracket
3
wireless card
4
antenna cables (3)
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 www.dell.com/
regulatory_compliance.
Procedure
CAUTION: To avoid damage to 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 and
slide the card into the slot.
2
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
Antenna-cable color
Main (white triangle)
White
Auxiliary (black triangle)
Black
Multiple input, multiple output
(grey triangle)
Grey (optional)
3
Align the screw hole on the wireless-card bracket with the screw-hole on the
wireless card.
4
Replace the screw that secures the wireless-card bracket to the wireless card.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
37
Removing the fans
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
Procedure
1
Remove the screws that secure the video fan (JFAN_2) to the system board.
2
Disconnect the touch-screen cable from the system board.
3
Peel off the tape that secures the touch-screen cable to the video fan
(JFAN_2).
4
Note the routing of the touch-screen cable and remove the cable from the
routing guides on the video fan (JFAN_2).
5
Disconnect the video fan (JFAN_2) cable from the system board.
38
6
Lift the video fan (JFAN_2) away from the palm-rest assembly.
1
routing guide
2
touch-screen cable
(optional)
3
tape
4
fan cable
5
video fan (JFAN_2)
6
screws (2)
7
Remove the screws that secure the processor fan (JFAN_1) to the system
board.
8
Note the routing of the display cable and remove the cable from the processor
fan (JFAN_1).
9
Disconnect the processor fan (JFAN_1) cable from the system board.
39
10
40
Lift the processor fan (JFAN_1) away from the palm-rest assembly.
1
routing guide
2
display cable
3
fan cable
4
processor fan (JFAN_1)
5
screws (2)
Replacing the fans
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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the screw holes on the processor fan (JFAN_1) with the screw holes on
the palm-rest assembly.
2
Connect the processor fan (JFAN_1) cable to the system board.
3
Route the display cable through the routing guides on the processor fan
(JFAN_1).
4
Replace the screws that secure the processor fan (JFAN_1) to the system
board.
5
Align the screw holes on the video fan (JFAN_2) with the screw holes on the
palm-rest assembly.
6
Connect the video fan (JFAN_2) cable to the system board.
7
Route the touch-screen cable through the routing guides on the video fan
(JFAN_2).
8
Adhere the tape that secures the touch-screen cable to the video fan
(JFAN_2).
9
Connect the display cable to the system board.
10
Replace the screws that secure the video fan (JFAN_2) to the system board.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
41
Removing the heat-sink
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 www.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: 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 images in this document may differ from your computer
depending on the configuration you ordered.
1
42
Remove the screws that secure the heat-sink assembly to the system board.
2
Lift the heat-sink assembly off the system board.
1
heat-sink assembly
2
screws (6)
43
Replacing the heat-sink 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 www.dell.com/
regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can damage 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 ensure that thermal
conductivity is achieved.
Procedure
1
Align the screw holes on the heat-sink assembly with the screw holes on the
system board.
2
Replace the screws that secure the heat-sink assembly to the system board.
Post-requisites
1
Replace the battery.
2
Replace the base cover.
44
Removing the memory modules
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
Procedure
1
Using your fingertips, spread apart the securing clips on each end of the
memory-module slot until the memory module pops up.
45
2
Slide and remove the memory module from the memory-module slot.
Figure 1. Removing the memory modules
46
1
memory module
3
memory-module slot
2
securing clips (2)
Replacing the memory modules
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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the notch on the memory module with the tab on the memory-module slot.
47
2
Slide the memory module firmly into the slot at an angle and gently 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.
Figure 2. Replacing the memory modules
1
memory module
2
notch
3
tab
4
memory-module slot
5
securing clips
Post-requisites
1
48
Replace the battery.
2
Replace the base cover.
49
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 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 wireless card.
4
Remove the hard drive.
5
Remove the solid-state drive (half-length).
6
Remove the solid-state drive (full-length).
7
Remove the fans.
8
Remove the heat-sink assembly.
9
Remove the memory modules.
Procedure
1
Remove the screw that secures the display-cable bracket to the system board.
2
Lift the solid-state drive bracket to access the display cable.
50
3
Disconnect the display cable from the system board.
1
display-cable bracket
3
display cable
2
screw
51
4
5
52
Disconnect the power-adapter port cable, speaker cable, keyboard-control
board cable, touch-pad cable, and touch-screen cable from the system board.
1
power-adapter port cable
2
speaker cable
3
keyboard-control board cable
4
touch-pad cable
5
touch-screen cable (optional)
Remove the screws that secure the system board to the palm-rest assembly.
6
Lift the system board off the palm-rest assembly.
1
system board
3
palm-rest assembly
2
screws (5)
53
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 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
Align the screw holes on the system board with the screw holes on the palmrest assembly.
2
Replace the screws that secure the system board to the palm-rest assembly.
3
Connect the power-adapter port cable, speaker cable, keyboard-control board
cable, touch-pad cable, and touch-screen cable to the system board.
4
Connect the display cable to the system board.
5
Align the screw hole on the display-cable bracket with the screw hole on the
system board.
6
Replace the screw that secures the display-cable bracket to the system board.
Post-requisites
1
Replace the memory modules.
2
Replace the heat-sink assembly.
3
Replace the fans.
4
Replace the solid-state drive (half-length).
5
Replace the solid-state drive (full-length).
54
6
Replace the hard drive.
7
Replace the wireless card.
8
Replace the battery.
9
Replace the base cover.
55
Removing the audio daughter
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the wireless card.
4
Remove the hard drive.
5
Remove the solid-state drive (half-length).
6
Remove the solid-state drive (full-length).
7
Remove the fans.
8
Remove the heat-sink assembly.
9
Remove the memory modules.
10
Remove the system board.
56
Procedure
1
Remove the two screws that secure the audio daughter board to the system
board.
1
system board
2
screws
57
2
Flip the system board over, then lift the audio daughter board from the system
board.
1
58
audio daughter board
Replacing the audio daughter
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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the screw holes on the audio daughter board with the screw holes on the
system board.
2
Flip the system board over, then replace the screws that secure the audio
daughter board to the system board.
Post-requisites
1
Replace the system board.
2
Replace the memory modules.
3
Replace the heat-sink assembly.
4
Replace the fans.
5
Replace the solid-state drive (half-length).
6
Replace the solid-state drive (full-length).
7
Replace the hard drive.
8
Replace the wireless card.
9
Replace the battery.
10
Replace the base cover.
59
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 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.
3
Remove the wireless card.
4
Remove the hard drive.
5
Remove the solid-state drive (half-length).
6
Remove the solid-state drive (full-length).
7
Remove the fans.
8
Remove the heat-sink assembly.
9
Remove the memory modules.
10
Remove the system board.
Procedure
1
Turn the system board over.
2
Disconnect the coin-cell battery cable from the system board.
60
3
Note the location of the coin-cell battery and pry it off the system board.
Figure 3. Removing the coin-cell battery
1
coin-cell battery
3
system board
2
coin-cell battery cable
61
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 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.
3
Turn the system board over.
Post-requisites
1
Replace the system board.
2
Replace the memory modules.
3
Replace the heat-sink assembly.
4
Replace the fans.
5
Replace the solid-state drive (half-length).
6
Replace the solid-state drive (full-length).
7
Replace the hard drive.
8
Replace the wireless card.
9
Replace the battery.
10
Replace the base cover.
62
Removing the keyboard
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the hard drive.
4
Remove the system board.
Procedure
1
Lift the latches and disconnect the keyboard cable and keyboard-backlight cable
from the keyboard-controls board.
63
2
3
64
Peel off the Mylar to access the screws that secure the keyboard to the palmrest assembly.
1
Mylar
2
keyboard cable
3
latches (2)
4
keyboard-backlight cable
Remove the screws that secure the keyboard to the palm-rest assembly.
4
Lift the keyboard off the palm-rest assembly.
1
screws (31)
3
palm-rest assembly
2
keyboard
65
5
66
Peel off the Mylar from the keyboard.
1
mylar
1
keyboard
2
keyboard
Replacing the keyboard
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 www.dell.com/
regulatory_compliance.
Procedure
1
Adhere the Mylar to the keyboard.
2
Align the screw holes on the keyboard with the screw holes on the palm-rest
assembly.
3
Replace the screws that secure the keyboard to the palm-rest assembly.
4
Adhere the Mylar to the screws that secure the keyboard to the palm-rest
assembly.
5
Connect the keyboard cable and keyboard-backlight cable to the keyboardcontrols board.
Post-requisites
1
Replace the system board.
2
Replace the hard drive.
3
Replace the battery.
4
Replace the base cover.
67
Removing the display 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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the wireless card.
Procedure
1
Remove the screw that secures the display-cable bracket to the system board.
2
Disconnect the touch-screen cable and display cable from the system board.
68
3
Peel off the tape and remove the touch-screen cable from the routing guides on
the fan.
1
touch-screen cable (optional)
2
tape
3
display-cable bracket
4
screw
5
display cable
4
Turn the computer over and open the display at an angle of 90 degrees.
5
Rotate the computer and place it on the edge of the table in a position that
allows access to the screws on the display hinges.
6
Remove the screws that secure the display hinges to the palm-rest assembly.
69
7
70
Carefully lift the display assembly from the palm-rest assembly
1
palm-rest assembly
2
screws (6)
3
display hinges (2)
4
display assembly
8
Carefully place the display assembly on a clean, flat surface.
1
display assembly
71
Replacing the display 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 www.dell.com/
regulatory_compliance.
Procedure
1
Place the palm-rest assembly at the edge of the table with the speakers facing
away from the edge.
2
Align the screw holes on the palm-rest assembly with the screw holes on the
display hinges.
3
Replace the screws that secure the display hinges to the palm-rest assembly.
4
Adhere the tape and route the touch-screen cable through the routing guides on
the fan.
5
Connect the touch-screen cable and display cable to the system board.
6
Replace the screw that secures the display-cable bracket to the system board.
Post-requisites
1
Replace the wireless card.
2
Replace the battery.
3
Replace the base cover.
72
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the display assembly.
Procedure
1
Disconnect the power-adapter port cable from the system board.
2
Remove the screw that secures the power-adapter port to the palm-rest
assembly.
73
3
74
Lift the power-adapter port along with its cable, off the palm-rest assembly.
1
screw
3
power-adapter port cable
2
power-adapter port
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 www.dell.com/
regulatory_compliance.
Procedure
1
Place the power-adapter port into the slot on the palm-rest assembly.
2
Route the power-adapter port cable through its routing guides on the palm-rest
assembly.
3
Replace the screw that secures the power-adapter port to the palm-rest
assembly.
4
Connect the power-adapter port cable to the system board.
Post-requisites
1
Replace the display assembly.
2
Replace the battery.
3
Replace the base cover.
75
Removing the antenna 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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the wireless card.
4
Remove the display assembly.
76
Procedure
1
Carefully turn the display hinges at an angle.
Figure 4. Turning the display hinge
1
display assembly
2
display hinges (2)
77
2
Slide and lift the antenna cover away from the display assembly.
Figure 5. Removing the antenna cover
1
78
display assembly
2
antenna cover
Replacing the antenna 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 www.dell.com/
regulatory_compliance.
Procedure
1
Replace the antenna cover on the display assembly.
2
Turn the display hinges to the normal position.
Post-requisites
1
Replace the display assembly.
2
Replace the wireless card.
3
Replace the battery.
4
Replace the base cover.
79
Removing the display hinges
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 www.dell.com/
regulatory_compliance.
Prerequisites
NOTE: These instructions are applicable only for laptops with a nontouchscreen display.
1
Remove the base cover.
2
Remove the battery.
3
Remove the wireless card.
4
Remove the display assembly.
5
Remove the antenna cover.
80
Procedure
1
Peel off the tape to access the screws on the display hinges.
1
2
tape
2
display hinges (2)
Remove the screws that secure the display hinges to the display assembly.
81
3
Carefully lift the display hinges off the display assembly.
1
82
screws (6)
2
display hinges (2)
Replacing the display hinges
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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the screw holes on the display hinges with the screw holes on the display
assembly.
2
Replace the screws that secure the display hinges to the display assembly.
3
Adhere the tape to the display hinges.
Post-requisites
1
Replace the antenna cover.
2
Replace the display assembly.
3
Replace the wireless card.
4
Replace the battery.
5
Replace the base cover.
83
Removing the antenna module
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 www.dell.com/
regulatory_compliance.
Prerequisites
NOTE: These instructions are applicable only for laptops with a nontouchscreen display.
1
Remove the base cover.
2
Remove the battery.
3
Remove the wireless card.
4
Remove the display assembly.
5
Remove the antenna cover.
6
Remove the display hinges.
Procedure
1
Peel the tape that covers the antenna cables.
2
Remove the screws that secure the antenna module to the display assembly.
84
3
Lift the antenna module away from the display assembly.
1
tape
2
antenna cable
3
screws (4)
4
antenna module
5
display assembly
85
Replacing the antenna module
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 www.dell.com/
regulatory_compliance.
Procedure
1
Align the screw holes on the antenna module with the screw holes on the display
assembly.
2
Replace the screws that secure the antenna module to the display assembly.
3
Adhere the tape that covers the antenna cable.
Post-requisites
1
Replace the display hinges.
2
Replace the antenna cover.
3
Replace the display assembly.
4
Replace the wireless card.
5
Replace the battery.
6
Replace the base cover.
86
Removing the palm-rest
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 www.dell.com/
regulatory_compliance.
Prerequisites
1
Remove the base cover.
2
Remove the battery.
3
Remove the memory modules.
4
Follow the procedure from step 1 to step 4 in “Removing the hard drive”.
5
Remove the wireless card.
6
Remove the speakers.
7
Remove the heat-sink assembly.
8
Remove the fans.
9
Remove the display assembly.
10
Remove the power-adapter port.
11
Remove the system board.
12
Remove the keyboard.
Procedure
After performing the steps in the prerequisites we are left with the palm-rest
assembly.
87
1
88
palm-rest assembly
Replacing the palm-rest
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 www.dell.com/
regulatory_compliance.
Procedure
Place the palm-rest assembly on a clean and flat surface.
Post-requisites
1
Replace the keyboard.
2
Replace the system board.
3
Replace the power-adapter port.
4
Replace the display assembly.
5
Replace the fans.
6
Replace the heat-sink assembly.
7
Replace the speakers.
8
Replace the wireless card.
9
Follow the procedure from step 3 to step 6 in “Replacing the hard drive”.
10
Replace the memory modules.
11
Replace the battery.
12
Replace the base cover.
89
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 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.
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.
90
Getting help and contacting Dell
Self-help resources
You can get information and help on Dell products and services using these self-help
resources:
Information about Dell products and
services
www.dell.com
Windows 8.1 and Windows 10
Dell Help & Support app
Windows 10
Get started app
Windows 8.1
Help + Tips app
Accessing help in Windows 8, Windows
8.1, and Windows 10
In Windows search, type Help and
Support, and press Enter.
Accessing help in Windows 7
Click Start → Help and Support.
Online help for operating system
www.dell.com/support/windows
www.dell.com/support/linux
Troubleshooting information, user
manuals, setup instructions, product
specifications, technical help blogs,
drivers, software updates, and so on.
www.dell.com/support
Learn about your operating system,
See Me and My Dell at www.dell.com/
setting up and using your computer, data support/manuals.
backup, diagnostics, and so on.
91
Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see
www.dell.com/contactdell.
NOTE: Availability varies by country and product, and some services may
not be available in your country.
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.
92
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