6. Lift the I/O board along with its cable off the palm-rest and keyboard assembly.Installing the IO boardPrerequisitesIf you are replacing a component, remove the existing component before performing the installation process.About this taskThe following image(s) indicate the location of the I/O board and provides a visual representation of the installation procedure.Steps1. Align the ports on the I/O board to the slots on the palm-rest and keyboard assembly.2. Place the I/O board on the palm-rest and keyboard assembly.3. Align the screw holes on the I/O board to the screw holes on the palm-rest and keyboard assembly.4. Replace the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.5. Close the left-display hinge and align the screw holes on the left-display hinge with the screw holes on the palm-rest andkeyboard assembly.6. Replace the screw (M2x3) that secures the left-display hinge to the palm-rest and keyboard assembly.7. Replace the screw (M2x4) that secures the left-display hinge to the palm-rest and keyboard assembly.8. Connect the I/O-board cable to the connector on the I/O board and close the latch.Next steps1. Install the base cover.2. Exit Service Mode.3. Follow the procedure in After working inside your computer.42 Removing and installing components