Power Supply Removal - Compaq Deskpro EN Series Maintenance & Service Manual

5.17

Power Supply Removal

1. Prepare the computer for disassembly (Section 5.4).
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 system unit cover (Section 5.6).
3. Disconnect the power cables from the back of the drives in the drive bay
4. Grasp the top of the tilt drive cage and rotate it to its upright position.
5. 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.
6. Remove the three screws that secure the power supply to the chassis.
7. Pull the power supply forward, then out of the chassis.
Removing the Power Supply
To replace the power supply, reverse the above procedure.
Refer to Section 5.8 for proper power cable connections.
CAUTION: When returning the drive cage to its normal position use caution to prevent damaging the data
and power cables.
5-38 Desktop Removal and Replacement