Service Manual

Steps
1. Peel the Mylar covering the system board.
2. Remove the screw (M2x3) that secures the wireless-card bracket to the left I/O-board.
3. Lift the wireless-card bracket off the left I/O-board.
4. Remove the two screws (M2x3) that secure the left I/O-board cable connecting the left I/O-board and the system board.
5. Lift the left I/O-board cable from the left I/O-board and the system board.
6. Disconnect the antenna cables from the wireless card.
7. Lift the latch and disconnect the power-button assembly-cable from the left I/O-board.
8. Remove the two screws (M2x3) that secure the left I/O-board to the palm-rest assembly.
9. Lift the left I/O-board off the palm-rest assembly.
Installing the left I/O-board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the left I/O-board and provides a visual representation of the installation procedure.
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