Dell alienware 15, a15-6366 [118/149] Procedure

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.

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