HP ProDesk 400 G4 Small Form Factor (SFF) - Maintenance and Service Guide

Drive cage
1. Prepare the computer for disassembly (see Preparation for disassembly on page 23).
2. Remove the access panel (see Access panel on page 24).
3. Disconnect the power cable (1) and data cable (2) from the rear of the slim optical drive.
4. Disconnect the power cable (1) from the hard drive.
5. Disconnect the data cable (2) from the hard drive.
6. Press in on the drive cage release latch (1).
7. Rotate the drive cage up (2) until it rests at an angle.
28 Chapter 4 Removal and replacement procedures