Installing the I/O board
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of I/O board and provides a visual representation of the installation procedure.
1. Align and place the I/O board on the palm-rest and keyboard assembly.
2. Replace the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
3. Replace the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
4. Connect the I/O-board cable to the I/O board and close the latch to secure the cable.
5. Adhere the tape that secures the I/O board to the I/O board.
6. Using the alignment posts, close the display hinges.
1. Install the fan.
2. Install the battery.
3. Install the base cover.
4. Follow the procedure in After working inside your computer.
Power-button board
Removing the power-button board
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the battery.
4. Remove the WLAN card.
5. Remove the fan.
6. Remove the I/O board.
The following image indicates the location of power button and provides a visual representation of the removal procedure.
1. Remove the screw (M1.6x2) that secures the power-button bracket to the palm-rest and keyboard assembly.
2. Remove the screw (M1.6x2) that secures the power-button board to the palm-rest and keyboard assembly and lift the
power-button board off the palm-rest and keyboard assembly.
Removing and installing components
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