Hardware Reference Guide

Removing a hard drive
NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you
can transfer the data to the new hard drive.
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as a USB ash drive, from the computer.
3. Turn o the computer properly through the operating system, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: 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. You must disconnect the power cord to avoid damage to
the internal components of the computer.
5. Remove the access panel.
● For instructions on removing the access panel from a 35W model, see Removing the access panel
of the HP EliteDesk 800 35W on page 11.
● For instructions on removing the access panel from any other model, see Removing the access
panel on page 10.
For instructions, see Removing the access panel on page 10.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before you touch them.
6. To remove the hard drive, rotate the hard drive latch up and out (1) to disengage the hard drive from the
cage.
7. Slide the drive toward the rear of the chassis until it stops, and then lift the hard drive up and out of the
cage (2).
NOTE: The power cable from the system board is located in the drive cage and disconnects when the
hard drive is removed.
Removing a hard drive 19