HP ProBook 4520s Maintenance And Service Manual page 65

4. Remove the battery (see
5. Remove the switch cover and keyboard (see
NOTE: It is not necessary to disconnect the keyboard cable from the system board to remove the
optical drive.
Remove the optical drive:
1. Position the computer with the right side toward you.
2. Remove the Phillips PM2.5×5.0 screw (1) that secures the optical drive to the computer.
3. Insert a flat-bladed screwdriver or similar tool into the optical drive tab access (2) and press the
tab to the right to release the optical drive from the computer.
4. Remove the optical drive (3) from the computer.
NOTE: 15.6-in model shown below
5. If it is necessary to replace the optical drive bracket, position the optical drive with the rear toward
you.
6. Remove the two Phillips PM2.0×2.0 screws (1) that secure the optical drive bracket to the optical
drive.
Battery on page 50).
Switch cover and keyboard on page 51).
Component replacement procedures
57