User Manual

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 display-
assembly base.
2 Replace the ve screws (M3x5) that secure the system board to the display-
assembly base.
3 Push the securing clips inward, and connect the display cable to the system
board.
4 Adhere the tape that secures the display cable from the connector on the
system board.
5 Slide the power-button board cable and media-card reader cable into their
respective connectors on the system board and close the latch to secure the
cables.
6 Connect the speaker cable and fan cable to the system board.
7 Connect the microphone cable and camera cable to the system board.
8 Push the securing clips inward, and connect the display cable to the system
board.
9 Connect the display back-light cable to the system board.
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