HP Compaq NC6140 Maintenance And Service Manual page 109

8. If it is necessary to replace the optical drive bracket, remove
the two Phillips PM2.0×4.0 screws 1 that secure the bracket
to the optical drive.
9. Remove the optical drive bracket 2.
✎
The optical drive bracket is available in the Optical Drive
Bracket Kit, spare part number 404738-001.
Removing the Optical Drive
Reverse the above procedure to reassemble and install an
optical drive.
Maintenance and Service Guide
Removal and Replacement Procedures
6–19