I/O board
Removing the I/O board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
About this task
NOTE: Removing the I/O board is equivalent to removing the coin-cell battery. It resets the BIOS setup program's settings
to default. It is recommended that you note the BIOS setup program's settings before removing the coin-cell battery.
The following image(s) indicate the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1. Remove the two screws (M2.5x4) that secure the left-display hinge to the system board.
2. Pry open the left-display hinge at an angle of 90 degrees.
3. Lift the latch and disconnect the I/O-board cable from the I/O board.
4. Disconnect the coin-cell battery cable from the I/O board.
5. Peel the tape that covers the screw on the I/O board.
6. Remove the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
7. Lift the I/O board off the palm-rest and keyboard assembly.
Installing the I/O board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
42
Removing and installing components
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