Dell Latitude 3000 Series, Service Manual

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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 desired 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.
Topics:
• Prerequisites
• Procedure
Prerequisites
1. Remove the battery .
2. Follow the procedure from step 1 to step 3 in “ Removing the optical drive ”.
3. Remove the keyboard .
4. Follow the procedure from step 1 to step 5 in “ Removing the base cover ”.
5. Follow the procedure from step 1 to step 3 in “ Removing the hard drive ”.
6. Remove the memory module .
7. Remove the wireless card .
8. Remove the I/O board .
9. Remove the heat sink .
Procedure
1. Turn the computer over and open the display as far as possible.
2. Open the latches and disconnect the power-button board cable and touch-pad cable from the system board.
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Removing the system board 47