Removing the system board
NOTE: 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.
NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect the cables correctly after you replace the system board.
Prerequisites
Steps
1. Remove the stand.
2. Remove the back cover.
3. Remove the hard drive.
4. Remove the system-board shield.
5. Remove the heat sink.
6. Remove the memory module.
7. Remove the wireless card.
Procedure
Steps
1. Disconnect the camera cable from the system board.
2. Disconnect the touch-screen cable from the system board.
3. Disconnect the fan cable from the system board.
4. Disconnect the microphone cable from the system board.
5. Open the latch, and disconnect the media-card reader cable from the system board.
6. Disconnect the speaker cable from the system board.
7. Open the latch, and disconnect the power-button board cable from the system board.
8. Disconnect the display-backlight cable from the system board.
9. Peel off the tape that secures the display cable from the connector on the system board.
10. Using your finger tips, push the securing clips on the display cable inwards and disconnect the display cable from the system
board.
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48 Removing the system board
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