Hardware Reference Guide

4. Disconnect the power cord from the AC outlet and disconnect any external devices.
IMPORTANT: Regardless of the power 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 power cord from the power source before opening the computer.
5. If the computer is on a stand, remove the computer from the stand.
6. Remove the computer access panel.
7. Install mounting screws on the sides of the hard drive using standard 6-32 silver-and-blue mounting
screws.
NOTE: You can purchase 6-32 mounting screws from HP.
If you are replacing a drive, transfer the mounting screws from the old drive to the new drive.
● Install four silver-and-blue 6-32 mounting screws (two on each side of the drive).
● You can also install a 2.5-inch hard drive into a 3.5-inch drive bay using an adapter bracket similar
to the following example.
– Slide the 2.5 inch drive into the 3.5 inch adapter bracket.
Removing and installing drives 27