HP ProDesk 400 G3 MT Business PC HP ProDesk 480 G3 MT Business PC HP ProDesk 490 G3 MT Business PC - Maintenance and Service Guide

Power switch assembly
1. Prepare the computer for disassembly (Preparation for disassembly on page 23).
2. Remove the access panel (Access panel on page 24).
3. Remove the front bezel (Front bezel on page 25).
4. Disconnect the cable from the PB/LED system board connector.
NOTE: System board layout may vary.
5. From the inside of the computer, press the tab on the left side of the power switch (1), and then push
the power switch out of the front of the chassis.
54 Chapter 4 Removal and replacement procedures: Microtower