HP Pro SFF 280 G9 Desktop PC Maintenance and Service Guide - Page 43

Disconnect the power supply cables from the following system board connectors

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2. Remove the access panel (see Access panel on page 19). 3. Remove the optical drive (see Optical drive on page 23). 4. Remove the drive cage (see Hard drive on page 25). 5. Remove the front bezel (see Front bezel on page 24). Remove the power supply: 1. Disconnect the power supply cables from the following system board connectors: PWR (1) PWRCMD (2) PWRCPU (3) NOTE: Computer appearance might vary. 2. On the outside, rear of the computer, remove the four Torx screws that secure the power supply to the rear of the chassis (1). 36 Chapter 4 Removal and replacement procedures

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2.
Remove the access panel (see
Access panel
on page
19
).
3.
Remove the optical drive (see
Optical drive
on page
23
).
4.
Remove the drive cage (see
Hard drive
on page
25
).
5.
Remove the front bezel (see
Front bezel
on page
24
).
Remove the power supply:
1.
Disconnect the power supply cables from the following system board connectors:
PWR
(1)
PWRCMD
(2)
PWRCPU
(3)
NOTE:
Computer appearance might vary.
2.
On the outside, rear of the computer, remove the four Torx screws that secure the power supply to the
rear of the chassis
(1)
.
36
Chapter 4
Removal and replacement procedures