Inspiron 145000 Series Service Manual

Procedure

Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.
Replace the screws that secure the optical-drive bracket to the optical drive.
Align the tabs on the optical-drive bezel with the slots on the optical-drive assembly and snap the optical-drive bezel into place.
Slide the optical-drive assembly into the optical-drive bay and align the screw hole on the optical-drive bracket with the screw hole on the computer base.
Replace the screw that secures the optical-drive assembly to the computer base.