Installing A 5.25-Inch Drive - HP EliteDesk 705 G4 MT Hardware Reference Manual

7. Push the green drivelock mechanism towards the drive (1), and then slide the drive from the drive bay
(2).

Installing a 5.25-inch drive

1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as compact discs or USB flash drives, from the computer.
3. Turn off the computer properly through the operating system, and turn off any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
IMPORTANT:
as the system is plugged into an active AC outlet. To prevent damage to internal components, you must
disconnect the power cord from the power source before opening the computer.
5. Remove the computer access panel.
6. Remove the front bezel. If you are installing a drive in a bay covered by a bezel blank, remove the bezel
blank. See
24 Chapter 2 Hardware upgrades
Regardless of the power-on state, voltage is always present on the system board as long
Removing bezel blanks on page 9 for more information.