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Switch cover
Description Spare part number
Switch cover (includes LED board and cable) 487139-001
Before removing the switch cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 47).
5. Remove the keyboard (see
Keyboard on page 61).
Remove the switch cover and keyboard:
1. Release the ZIF connector to which the LED board cable (1) is attached, and disconnect the LED
board cable from the system board.
2. Lift the left and right sides of the switch cover (2) until it detaches from the computer.
3. Release the switch cover (3) as far as the power button board cable allows.
4. Disconnect the power button board cable (4) from the system board.
5. Remove the switch cover.
Reverse this procedure to install the switch cover.
66 Chapter 4 Removal and replacement procedures