HP ProBook 4310s Maintenance And Service Manual page 64

Removal and replacement procedures
4. If it is necessary to replace the optical drive bracket, follow these steps:
a. Position the optical drive with the rear toward you.
b. Remove the three Phillips PM2.0×4.0 screws 1 that secure the optical drive bracket to the optical drive.
c. Remove the optical drive bracket 2.
Reverse this procedure to reassemble and install the optical drive.
Maintenance and Service Guide 4–19