HP 3125 - Wireless Network Security Measures; Data Backup and Information Protection; Optional Security Cable Lock

4. Connect the hard drive cable connector (4).
5. Lower the service door onto the computer (1), and then slide the door (2) toward the battery bay
until the battery/service door latch snaps into place.
6. Replace the battery.
7. Reconnect external power and external devices.
8. Turn on the computer.
Improving performance 51