HP 280 G2 Maintenance And Service Manual page 43

4. Install four mounting screws into the sides of the 3.5-inch drive or the 2.5-inch drive adapter bracket
(two on each side).
NOTE: HP has supplied four extra mounting screws installed on the chassis next to the hard drive bays.
Refer to Drives on page 28
5. Slide the drive into the drive bay, making sure to align the mounting screws with the guide slots, until
the drive snaps into place.
for an illustration of the location of the extra mounting screws.
Drives 35