Removing the I/O 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.
Prerequisites
CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. Before removing the I/O board
along with the coin-cell battery, it is recommended to note the BIOS setup program’s settings.
Remove the base cover.
Procedure
1 Open the latch and disconnect the power-button board cable from the system board.
2 Remove the two screws (M2.5x2.5) that secures the I/O board to the palm rest and keyboard assembly.
3 Turn the I/O-board over.
4 Open the latch and disconnect the I/O-board cable from the I/O-board.
5 Lift the I/O board o the palm rest and keyboard assembly.
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Removing the I/O board 53