Uninstalling The Multibay Security Screw - Compaq Evo D500 Hardware Reference Manual

Working with the MultiBay

Uninstalling the MultiBay Security Screw

2–4
When installed, the MultiBay security screw disables the MultiBay
eject lever, so that a drive installed in the MultiBay cannot be
removed.
To remove a drive installed in the MultiBay, you must first remove the
security screw, if installed, using the special Torx screwdriver
(provided).
Uninstalling the MultiBay Security Screw
Hardware Reference Guide