Dell Inspiron 15 Gaming, Service Manual

Page: 74 / 112

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 Replace the heat sink .
2 Connect the power-adapter port cable to the system board.
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.
5 Replace the two screws (M2x3) that secure the system board to the
computer base.
6 Slide the I/O-board cable and status-light board cable into their
respective connectors on the system board and close the latches to
secure the cables.
7 Connect the speaker cable to the system board.
8 Close the display and turn the computer over.
9 Connect the camera cable, hard-drive cable, coin-cell battery cable and
display cable to the system board.
10 Align the screw hole on the display-cable bracket with the screw hole on
the system board.
11 Replace the screw (M2x3) that secures the display-cable bracket to the
system board.
74