Service Manual

Next steps
1. Install the antenna module, only for computers with a 6-cell (78 Wh) battery.
2. Install the 4-cell battery or the 6-cell battery, whichever applicable.
3. Install the base cover.
4. Follow the procedure in After working inside your computer.
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
The following images indicate the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1. Remove the two screws (M2x4) that secure the left-display hinge to the palm-rest and keyboard assembly.
2. Pry open the left-display hinge.
3. Peel the tape that secures the I/O-board cable latch to the I/O board.
4. Open the latch and disconnect the I/O-board cable from the I/O board.
5. Remove the screw (M2x2) that secures the I/O board to the palm-rest and keyboard assembly.
6. Remove the screw (M1.6x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
7. Slide and lift the I/O board off the palm-rest and keyboard assembly.
Removing and installing components
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