HP ProDesk 400 G4 SFF Hardware Reference Manual page 25

14. Connect the power cable (1) and data cable (2) to the rear of the drive.
15. Replace the access panel.
16. Reconnect the power cord and any external devices, then turn on the computer. The computer should
automatically recognize the additional memory.
17. Lock any security devices that were disengaged when the access panel was removed.
Installing additional memory 17