Compaq Deskpro EN Series Maintenance & Service Manual page 149

6.10.3 Expansion Board Cage 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, data, and control cables from the rear of the riser board. Release the
locking tab on the power cable connector to facilitate its removal.
Disconnecting the Cables from the Rear of the Riser Board
6-18 Minitower Removal and Replacement