HP 540 Maintenance And Service Manual page 54

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 PM2.0×4.0 screws (1) that secure the optical drive bracket to the optical
drive.
7. Remove the optical drive bracket (2).
Reverse this procedure to reassemble and install an optical drive.
46 Chapter 4 Removal and replacement procedures