5. Remove the USB board (4).
Reverse this procedure to install the USB board.
Optical drive connector
Description Spare part number
Optical drive connector 811199-001
Before removing the optical drive connector, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by rst 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 34).
5. Remove the optical drive (see Optical drive on page 35).
6. Remove the bottom cover (see Bottom cover on page 38).
To remove the optical drive connector:
1. Position the computer upright.
2. Disconnect the optical drive connector cable from the system board (1).
3. Remove the two Phillips PM2.5×3.0 screws (2) that secure the optical drive connector to the computer.
Component replacement procedures 55
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