Dell Inspiron 15 7558 Service Manual - Page 72

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 Align the screw holes on the system board with the screw holes on the computer base. 2 Replace the screws that secure the system board to the computer base. 3 Slide the keyboard cable into the system-board connector and slide the latches to secure the cable. 4 Adhere the tape to the keyboard-cable connector on the system board. 5 Slide the touch-pad cable and keyboard-backlight cable into the system- board connectors and press down on the latches to secure the cable. 6 Connect the hard-drive cable, power-adapter port cable, and speaker cable to the system board. 7 Slide the Windows-button board cable into the system-board connector and press down on the latch to secure the cable. 8 Adhere the tape to the Windows-button board connector. 9 Connect the display cable to the system board. 10 Align the screw holes on the display-cable bracket with the screw holes on the system board. 11 Replace the screws that secure the display-cable bracket to the system board. 72

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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
Align the screw holes on the system board with the screw holes on the
computer base.
2
Replace the screws that secure the system board to the computer base.
3
Slide the keyboard cable into the system-board connector and slide the
latches to secure the cable.
4
Adhere the tape to the keyboard-cable connector on the system board.
5
Slide the touch-pad cable and keyboard-backlight cable into the system-
board connectors and press down on the latches to secure the cable.
6
Connect the hard-drive cable, power-adapter port cable, and speaker
cable to the system board.
7
Slide the Windows-button board cable into the system-board connector
and press down on the latch to secure the cable.
8
Adhere the tape to the Windows-button board connector.
9
Connect the display cable to the system board.
10
Align the screw holes on the display-cable bracket with the screw holes
on the system board.
11
Replace the screws that secure the display-cable bracket to the system
board.
72