Manual

LED board
Description Spare part number
LED board 840957-001
Before removing the LED board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service door (see Service door on page 28).
5. Remove the bottom cover (see Bottom cover on page 29).
6. Remove the battery (see Battery on page 30).
Remove the LED board:
1. Remove the tape from atop the cable (1).
2. Disconnect the cable from the system board (2).
3. Remove the two Phillips PM2.0×2.0 broadhead screws (3) that secure the LED board to the computer.
4. Remove the LED board (4).
Reverse this procedure to install the LED board.
Component replacement procedures 43