HP EliteDesk 800 G4 Tower PC User Manual download pdf (Page 32)

Removing a 5.25-inch drive

NOTE: All removable media should be taken out of a drive before removing the drive from the computer.

1. Remove/disengage any security devices that prohibit opening the computer.

2. Remove all removable media, such as compact discs and USB ash drives, from the computer.

3. Turn o the computer properly through the operating system, and turn o any external devices.

4. Disconnect the AC power cord from the AC outlet and disconnect any external devices.

IMPORTANT: Regardless of the power-on state, voltage is always present on the system board as long

as the system is plugged into an active AC outlet. To prevent damage to internal components, you must

disconnect the AC power cord from the power source before opening the computer.

5. Remove the computer access panel. See Removing the computer access panel on page 6.

6. Remove the front bezel. See Removing the front bezel on page 8.

7. Disconnect the power cable (1) and data cable (2) from the rear of the drive.

IMPORTANT: When removing the cables, pull the tab or connector instead of the cable itself to avoid

damaging the cable.

24 Chapter 2 Hardware upgrades

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HP EliteDesk 800 G4 Tower PC User Manual Page 32