Hardware Reference Guide - HP Compaq Pro 4300 All-in-One Business PC

8. To remove the drive access panel, push downward on the tab on the inside edge of the panel (1)
and slide the panel off the computer (2).
Figure 2-24 Removing the Drive Access Panel
9. Loosen the captive screw next to the front of the drive that secures the drive to the computer.
Figure 2-25 Loosening the Hard Drive Security Screw
22 Chapter 2 Hardware Repair and Upgrade