HP 255 G4, Maintenance And Service Manual

Page: 45 / 108

Optical drive board
Description Spare part number
Optical drive board (includes cable) 813956-001
Before removing the optical drive board, 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 28 ).
5. Remove the optical drive (see Optical drive on page 29 ), if installed.
6. Remove the bottom cover (see Bottom cover on page 35 ).
To remove the optical drive board:
1. Disconnect the cable from the system board (1) .
2. Remove the Phillips PM2.0×2.4 screw (2) that secures the optical drive board to the computer.
3. Remove the board and cable from the computer (3) .
Reverse this procedure to install the optical drive board and cable.
Component replacement procedures 37