Dell Alienware 15 Service Manual - Page 118

Replacing the system board, Procedure

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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 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 desired changes again after you replace the system board. Procedure 1 Follow the procedure from step 1 to step 2 in "Replacing the coin-cell battery". 2 Follow the procedure from step 1 to step 2 in "Replacing the heat-sink assembly". 3 Turn the system board over. 4 Slide the ports on the system board into the slots on the computer base and align the screw holes on the system board with the screw holes on the computer base. CAUTION: Make sure that no cables are under the system board. 5 Replace the screws that secure the system board to the computer base. 6 Slide the I/O-board cable into the system board and press down on the latch to secure the cable. 7 Connect the speaker cable to the system board. 8 Connect the front AlienFX LED cable to the system board and secure it with the tape. 9 Turn the computer over. 10 Connect the fan cables, power-adapter port cable, and hard-drive cable to the system board. 11 Turn the computer over. 118

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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 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
desired changes again after you replace the system board.
Procedure
1
Follow the procedure from step 1 to step 2 in "Replacing the
coin-cell
battery
".
2
Follow the procedure from step 1 to step 2 in "Replacing the
heat-sink
assembly
".
3
Turn the system board over.
4
Slide the ports on the system board into the slots on the computer base
and align the screw holes on the system board with the screw holes on
the computer base.
CAUTION: Make sure that no cables are under the system board.
5
Replace the screws that secure the system board to the computer base.
6
Slide the I/O-board cable into the system board and press down on the
latch to secure the cable.
7
Connect the speaker cable to the system board.
8
Connect the front AlienFX LED cable to the system board and secure it
with the tape.
9
Turn the computer over.
10
Connect the fan cables, power-adapter port cable, and hard-drive cable
to the system board.
11
Turn the computer over.
118