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 or tap Start → Power → Shut down.
– Windows 8.1: On the Start screen, click or tap the power icon →
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 and network cables, from
your computer.
5 Disconnect all attached devices and peripherals, such as keyboard,
mouse, and monitor, from your computer.
6 Remove any media card and optical disc from your computer, if
applicable.
Safety instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
12
Page 13
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.
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:
•Phillips screwdriver
13
Page 14
•Plastic scribe
Screw list
The following table provides the list of screws that are used for securing
different components to the computer.
ComponentSecured toScrew typeQuantity
Base coverPalm-rest
assembly
BatteryPalm-rest
assembly
Hard-drive
assembly
Hard-drive
bracket
Wireless card
bracket
FanPalm-rest
Power and
volume-buttons
board
Touch-pad
bracket
Touch padPalm-rest
I/O boardPalm-rest
Display assemblyPalm-rest
Power adapter
port
System boardPalm-rest
Sensor boardDisplay panelM2.5x2.51
Palm-rest
assembly
Hard driveM3x34
Palm-rest
assembly
assembly
Palm-rest
assembly
Palm-rest
assembly
assembly
assembly
assembly
Palm-rest
assembly
assembly
M2.5x69
M2x3.04
M2x3.52
M2x3.51
M2x3.52
M2x3.51
M2x24
M2x2.54
M2x3.52
M2.5x2.54
M2x3.51
M2x2 Big Head3
14
Page 15
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.
15
Page 16
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
Procedure
1 Close the display and turn the computer over.
www.dell.com/regulatory_compliance.
16
Page 17
2 Remove the screws that secure the base cover to the palm-rest
assembly.
1screws (9)2base cover
3palm-rest assembly
17
Page 18
3 Using a plastic scribe, release the tabs that secure the base cover to the
palm-rest assembly and remove the base cover off the palm-rest
assembly.
1plastic scribe2palm-rest assembly
3base cover
18
Page 19
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
Procedure
1 Align the base cover with the palm-rest assembly and snap it into place.
2 Replace the screws that secure the base cover to the palm-rest assembly.
www.dell.com/regulatory_compliance.
19
Page 20
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
Prerequisites
Remove the base cover.
Procedure
1 Disconnect the battery cable from the system board.
2 Remove the screws that secure the battery to the palm-rest assembly.
5 Disconnect the interposer from the hard-drive assembly.
1interposer2hard-drive assembly
6 Remove the screws that secure the hard-drive bracket to the hard drive.
7 Lift the hard-drive bracket off the hard drive.
1screws (4)2hard-drive bracket
3hard drive
31
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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
CAUTION: Hard drives are fragile. Exercise care when handling the
hard drive.
Procedure
1 Align the screw holes on the hard-drive bracket with the screw holes on
the hard drive.
2 Replace the screws that secure the hard-drive bracket to the hard drive.
3 Connect the interposer to the hard-drive assembly.
4 Align the screw holes on the hard-drive assembly with the screw holes
on the palm-rest assembly.
5 Replace the screws that secure the hard-drive assembly to the palm-rest
assembly.
6 Connect the hard-drive cable to the system board.
7 Adhere the tape that secures the hard-drive cable to the palm-rest
assembly.
www.dell.com/regulatory_compliance.
Post-requisites
1 Replace the battery.
2 Replace the base cover.
32
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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.
Procedure
1 Disconnect the coin-cell battery cable from the I/O board.
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2 Peel the coin-cell battery off 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
Procedure
NOTE: The rubber grommets may get pushed out while replacing the
speaker. Ensure that the rubber grommets are in their position after
placing the speaker on the palm-rest assembly.
1 Using the alignment posts, align and place the speakers on the palm-rest
assembly.
2 Replace the rubber grommets if they are pushed up while replacing the
speaker.
3 Route the speaker cable through the routing guides on the palm-rest
assembly.
4 Adhere the pieces of tape that secure the speaker cable to the palm-rest
assembly.
5 Connect the speaker cable to the system board.
www.dell.com/regulatory_compliance.
Post-requisites
1 Replace the battery.
2 Replace the base cover.
45
Page 46
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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
Procedure
1 Remove the screws that secure the fan to the palm-rest assembly.
2 Disconnect the fan cable from 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
Procedure
1 Align the screw holes on the fan with the screw holes on the palm-rest
assembly.
2 Replace the screws that secure the fan to the palm-rest assembly.
3 Connect the fan cable to the system board.
Post-requisites
1 Replace the battery.
2 Replace the base cover.
www.dell.com/regulatory_compliance.
48
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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
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
1 In sequential order (as indicated on the heat sink), loosen the captive
screws that secure the heat sink to the system board.
www.dell.com/regulatory_compliance.
49
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2 Lift the heat sink off the system board.
1heat sink2captive screws (4)
3system board
50
Page 51
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
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 heat sink are reinstalled together. If either the system board
or the heat sink is replaced, use the thermal pad provided in the kit to
ensure that thermal conductivity is achieved.
Procedure
1 Place the heat sink on the system board.
2 Align the screw holes 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.
www.dell.com/regulatory_compliance.
Post-requisites
1 Replace the battery.
2 Replace the base cover.
51
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Removing the power and
volume-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 www.dell.com/regulatory_compliance.
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the hard drive.
Procedure
1 Peel off the tape that secures the power and volume-buttons board-
cable to the palm-rest assembly.
2 Disconnect the power and volume-buttons board-cable from the I/O
board.
3 Remove the power and volume-buttons board-cable from the routing
guides on the palm-rest assembly.
4 Remove the screw that secures the power and volume-buttons board to
the palm-rest assembly.
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5 Lift the power and volume-buttons board off the palm-rest assembly.
1tape2power and volume-
buttons board-cable
3routing guides (2)4power and volume-
buttons board
5screw6palm-rest assembly
53
Page 54
Replacing the power and
volume-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 www.dell.com/regulatory_compliance.
Procedure
1 Align the screw hole on the power and volume-buttons board with the
screw hole on the palm-rest assembly.
2 Replace the screw that secures the power and volume-buttons board to
the palm-rest assembly.
3 Route the power and volume-buttons board-cable through the routing
guides on the palm-rest assembly.
4 Connect the power and volume-buttons board-cable to the I/O board.
5 Adhere the tape that secure the power and volume-buttons board-cable
to the palm-rest assembly.
Post-requisites
1 Replace the hard drive.
2 Replace the battery.
3 Replace the base cover.
54
Page 55
Removing the status-light
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.
Procedure
1 Peel off the pieces of tape securing the speaker cable to the palm-rest
assembly.
2 Remove the speaker cable from the routing guides on the palm-rest
assembly.
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3 Lift the speaker cable off the status-light board.
6 Remove the screws that secure the touch pad to the palm-rest assembly.
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7 Lift the touch pad off the palm-rest assembly.
1screws (4)2palm-rest assembly
3touch pad
62
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Replacing the touch pad
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
Procedure
1 Place the touch pad on the palm-rest assembly.
2 Align the screw holes on the touch pad with the screw holes on the
palm-rest assembly.
3 Replace the screws that secure the touch pad to the palm-rest assembly.
4 Align the screw holes on the touch-pad bracket with the screw holes on
the palm-rest assembly.
5 Replace the screws that secure the touch-pad bracket to the palm-rest
assembly.
6 Adhere the pieces of tape that secure the touch pad to the palm-rest
assembly.
7 Slide both ends of the touch-pad cable into their respective connectors
on the touch pad and keyboard daughter-board and close the latches to
secure the cable.
8 Slide the keyboard daughter-board cable into their respective connectors
on the system board and keyboard daughter-board and close the latches
to secure the cable.
www.dell.com/regulatory_compliance.
Post-requisites
1 Replace the status-light board.
2 Replace the battery.
3 Replace the base cover.
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Removing the I/O 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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the wireless card.
Procedure
1 Peel off the tape that secures the I/O-board cable to the I/O board.
2 Disconnect the I/O-board cable from the I/O board.
3 Peel off the tape that secures the power and volume-buttons board-
cable to the palm-rest assembly.
4 Disconnect the power and volume-buttons board-cable from the I/O
board.
5 Disconnect the coin-cell battery-cable from the I/O board.
6 Remove the screws that secure the I/O board to 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
1 Place the power-adapter port into the slot on the palm-rest assembly.
2 Align the screw hole on the power-adapter port with the screw hole 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 wireless card.
3 Replace the battery.
4 Replace the base cover.
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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
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 memory modules.
4 Remove the fan.
5 Remove the heat sink.
www.dell.com/regulatory_compliance.
Procedure
1 Peel off the pieces of tape that secure the display cable and touch-screen
board-cable to the system board.
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2 Peel off the tape that secures the I/O-board cable to the system board.
8 Remove the screws that secure the system board to the palm-rest
assembly.
8hard-drive cable
77
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9 Lift the system board off the palm-rest assembly.
1screw2system board
3palm-rest assembly
78
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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
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
palm-rest assembly.
2 Replace the screw that secures the system board to the palm-rest
assembly.
3 Slide the I/O-board cable into the system-board connector close the
latch to secure the cable.
4 Adhere the tape that secures the I/O-board cable to the system board.
5 Connect the power-adapter port-cable and the speaker cable to the
system board.
6 Slide the keyboard daughter-board cable into the connector on the
system board and close the latch to secure the cable.
7 Connect the hard-drive cable to the system board.
8 Slide the display cable and the touch-screen board-cable into their
respective connectors and close the latches to secure the cables.
9 Adhere the pieces of tape that secure the display cable and touch-screen
board-cable to the system board.
www.dell.com/regulatory_compliance.
Post-requisites
1 Replace the heat sink.
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2 Replace the fan.
3 Replace the memory modules.
4 Replace the battery.
5 Replace the base cover.
Entering the Service Tag in the BIOS setup
program
1 Turn on or restart your computer.
2 Press F2 when the Dell logo is displayed to enter the BIOS setup program.
3 Navigate to the Main tab and enter the Service Tag in the Service Tag
field.
Input
80
Page 81
Removing the palm rest and
keyboard 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 Remove the coin-cell battery.
5 Remove the hard drive.
6 Remove the wireless card.
7 Remove the keyboard daughter-board.
8 Remove the touch pad.
9 Remove the fan.
10 Remove the heat sink.
11 Remove the I/O board.
12 Remove the power and volume-buttons board.
13 Remove the status-light board.
14 Remove the speakers.
15 Remove the display assembly.
16 Remove the power-adapter port.
17 Remove the system board.
Procedure
After performing the steps in prerequisites we are left with the palm-rest and
keyboard assembly.
81
Page 82
1palm rest
82
Page 83
Replacing the palm rest and
keyboard 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 and keyboard assembly on a flat surface with the
keyboard facing down.
Post-requisites
1 Replace the system board.
2 Replace the power-adapter port.
3 Replace the display assembly.
4 Replace the speakers.
5 Replace the status-light board.
6 Replace the power and volume-buttons board.
7 Replace the I/O board.
8 Replace the heat sink.
9 Replace the fan.
10 Replace the touch pad.
11 Replace the keyboard daughter-board.
12 Replace the wireless card.
13 Replace the hard drive.
14 Replace the coin-cell battery.
15 Replace the memory modules.
16 Replace the battery.
17 Replace the base cover.
83
Page 84
Removing the display panel
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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the display assembly.
Procedure
1 Remove the display cable from the routing guides inside the hinge
covers.
www.dell.com/regulatory_compliance.
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2 Using a plastic scribe, pry the display-panel assembly off the display
back-cover and antenna assembly.
1plastic scribe2display back-cover
3routing guides4display cable
5hinge covers6display panel
3 Turn over the display-panel assembly.
4 Remove the camera.
85
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5 Remove the sensor board.
After performing the above steps, we are left with the display panel.
1display panel
86
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Replacing the display panel
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
Procedure
1 Place the display panel on a flat surface.
2 Replace the sensor board.
3 Replace the camera.
4 Turn over the display-panel assembly.
5 Route the display cable through the routing guides inside the hinge
covers.
6 Align the display-panel assembly with the display back-cover and
antenna assembly and gently snap the display-panel assembly into place.
Post-requisites
www.dell.com/regulatory_compliance.
1 Replace the display assembly.
2 Replace the battery.
3 Replace the base cover.
87
Page 88
Removing the display backcover and antenna 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 display assembly.
4 Follow the procedure from step 1 to 2 in “Removing the display panel”.
Procedure
After performing the steps in prerequisites we are left with the display backcover and antenna assembly.
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1display back-cover and antenna
assembly
2antenna cables
89
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Replacing the display backcover and antenna 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 display back-cover and antenna assembly on a flat surface.
Post-requisites
1 Replace the display panel.
2 Replace the display assembly.
3 Replace the battery.
4 Replace the base cover.
90
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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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the display assembly.
4 Follow the procedure from step 1 to step 3 in “Removing the display
panel”.
Procedure
CAUTION: Place the display-panel assembly on a soft and clean
surface to avoid scratching the display.
1 Using a plastic scribe, pry the camera module off the display panel.
www.dell.com/regulatory_compliance.
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2 Turn the camera over and peel off the tape to disconnect the camera
cable from the camera module.
1display panel2plastic scribe
92
3camera module4camera cable
5tape
Page 93
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
Procedure
1 Connect the camera cable to the camera module.
2 Adhere the tape that secures the camera cable to the camera module.
3 Using the alignment post place the camera module on the display panel
and snap it into place.
Post-requisites
1 Follow the procedure from step 4 to step 6 in “Replacing the display
panel”.
2 Replace the display assembly.
3 Replace the battery.
4 Replace the base cover.
www.dell.com/regulatory_compliance.
93
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Removing the display cable
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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the display assembly.
4 Follow the procedure from step 1 to step 3 in “Removing the display
panel”.
5 Remove the camera.
Procedure
1 Peel off the tape and open the latch to disconnect the display cable from
the display panel.
2 Peel off the sensor-board cable tape and disconnect the sensor-board
cable.
3 Open the connector latch and disconnect the display cable.
4 Note the display cable routing and remove the display cable from the
routing guides on the display panel.
www.dell.com/regulatory_compliance.
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5 Lift the display cable off the display panel.
1tape2sensor-board cable tape
3sensor-board cable4display cable
5latch6display panel
95
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Replacing the display cable
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
Procedure
1 Route the display cable through the routing guides on the display panel.
2 Slide the display cable into the connector and press down the latch to
secure the cable.
3 Slide the sensor-board cable into the connector on the sensor board and
press down the latch to secure the cable.
4 Adhere the sensor-board cable tape.
5 Adhere the tape that secures the display cable to the display panel.
Post-requisites
1 Follow the procedure from step 4 to step 6 in “Replacing the display
panel”.
2 Replace the display assembly.
3 Replace the camera.
4 Replace the battery.
5 Replace the base cover.
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Removing the sensor 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
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Remove the display assembly.
4 Follow the procedure from step 1 to step 3 in “Removing the display
panel”.
Procedure
CAUTION: Place the display-panel assembly on a soft and clean
surface to avoid scratching the display.
1 Remove the screw that secures the sensor board to the display panel.
2 Peel off the tape and open the latch to disconnect the sensor-board
cable from the sensor board.
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3 Lift the sensor board off the display panel.
1sensor board2screw
98
3tape4sensor-board cable
5latch
Page 99
Replacing the sensor 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
Procedure
1 Align the screw hole on the sensor board to the display panel and snap
the sensor board in place.
2 Slide the sensor-board cable into the slot on sensor board and press
down the latch to secure the cable.
3 Adhere the tape on the sensor-board connector to secure the cable.
4 Replace the screw that secures the sensor board to the display panel.
Post-requisites
1 Follow the procedure from step 4 to step 6 in “Replacing the display
panel”.
2 Replace the display assembly.
3 Replace the battery.
4 Replace the base cover.
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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 or tap Product support, enter the Service Tag of your computer,
and then click or tap
NOTE: If you do not have the Service Tag, use the auto-detect
feature or manually browse for your computer model.
4 Click or tap Drivers & downloads → Find it myself.
5 Select the operating system installed on your computer.
6 Scroll down the page and expand BIOS.
7 Click or tap 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 or double-tap the BIOS update file icon and follow the
instructions on the screen.
Submit.
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