Dell GX280DT - GX280 Desktop Computer User Manual page 111

NOTE: If your replacement hard drive does not have the plastic guide bracket attached, remove the bracket from the old drive by unsnapping it from the
drive. Snap the bracket onto the new drive.
1 drive
2 drive bracket
1 drive
2 securing tabs (4)
3 drive bracket
3. Gently slide the drive into place until you hear a click or feel the drive securely installed.
1 hard drive
4. Connect the power and hard-drive cables to the drive. Connect the hard-drive cable to the connector on the system board.
5. Check all connectors to be certain that they are properly cabled and firmly seated.
6. Close the computer cover.