I/O board
Removing the I/O 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
. 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.
1. Remove the
2. Remove the
.
3. Remove the
.
Procedure
1. Open the latch and disconnect the fingerprint-reader board cable from the I/O board.
NOTE:
This step is applicable only for computers shipped with the optional fingerprint reader.
2. Open the latch and disconnect the power-button board cable from the I/O board.
3. Open the latch and disconnect the fingerprint-reader cable from the I/O board.
NOTE:
This step is applicable only for computers shipped with the optional fingerprint reader.
4. Open the latch and disconnect the I/O-board cable from the I/O board.
5. Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
6. Lift the I/O board off the palm-rest and keyboard assembly.
Removing and installing components
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