Maintenance and Service Guide HP ProDesk 400 G1 Microtower HP ProDesk 480 G1 Microtower HP ProDesk 490 G1 Microtower HP ProDesk 400 G1 Small Form Factor

Power switch/LED assembly
Description Spare part number
Power switch/LED assembly 745050-001
1. Prepare the computer for disassembly (Preparation for disassembly on page 42).
2. Remove the access panel (
Access panel on page 43).
3. Remove the front bezel (
Front bezel on page 44).
4. Disconnect the cable from the system board connector labeled PB/LED.
NOTE: System board appearance may vary.
5. Press down on the top of the assembly to disengage the tab (1) that secures the assembly to the
chassis.
78 Chapter 5 Removal and replacement procedures: Microtower