Compaq Deskpro EN Series Maintenance & Service Manual page 164

6.15 Power Supply Removal
1. Prepare the computer for disassembly (Section 6.3).
CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the
system board. You must disconnect the power cord from the power source before opening the computer
to prevent system board or component damage.
2. Remove the access panel (Section 6.6).
3. Disconnect the power cables from the back of the drives in the drive bay.
4. Disconnect the main power cable from the rear of the riser board. Release the locking tab on the
cable connector to facilitate the disconnect process.
5. Remove the three screws from the rear of the chassis that secure the power supply to the
chassis.
6. Pull the power supply forward to disengage the hooks, then lower the supply out of the chassis.
Removing the Power Supply
To replace the power supply, reverse the above procedure.
Compaq Deskpro EN Series of Personal Computers 6-33