HP ProBook 4310s Notebook PC and HP ProBook 4311s Notebook PC - Maintenance and Service Guide

7–10 Maintenance and Service Guide
Screw listing
Phillips PM2.0×4.0 screw
Where used: 3 screws that secure the optical drive bracket to the optical drive
Color Quantity Length Thread Head diameter
Black 13 4.0 mm 2.0 mm 4.5 mm