Power Supply - HP EliteDesk 800 G4 SFF Maintenance And Service Manual

Power supply

For a list of available power supplies, see
WARNING!
replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be
used with the computer.
WARNING!
outlet. To avoid possible personal injury and damage to the equipment the power cord should be
disconnected from the computer and/or the AC outlet before opening the computer.
1. Prepare the computer for disassembly
2. Remove the access panel
3. Remove the air duct
4. Rotate the drive cage to its upright position
5. From the outside, rear of the chassis, remove the three Torx T15 screws (1) that secure the power
supply to the back of the chassis.
6. From the inside of the chassis, disconnect all power cables (2) from the system board connectors
labeled as follows:
● PWRCMD
● PWR
● PWRCPU
7. Push the release lever at the front of the power supply (3), slide the power supply forward, and then
remove it from the chassis (4).
To install the power supply, reverse the removal procedure.
CAUTION: When installing the power supply cables, make sure they are properly positioned so they are not
pinched by the drive cage.
To reduce potential safety issues, only the power supply provided with the computer, a
Voltage is always present on the system board when the computer is plugged into an active AC
(Access panel on page
(Air duct on page
Computer major components on page
(Preparation for disassembly on page
18).
51).
(Drive cage on page
4.
17).
40).
Power supply 59