Dell Inspiron 15-7558, Service Manual

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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 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
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.
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