Compaq Deskpro EN Series of Personal Computers 5-27
5.12.7 Fan 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 and raise the expansion board cage (Section 5.12.1).
4. Disconnect the fan control wire from the front of the riser board at P8 1.
5. Remove the system board from the chassis (Section 5.14.1).
6. Remove the screw from the fan retainer on the bottom of the fan cage assembly 2, then pivot
the assembly up and out of the expansion board cage 3.
Removing the Fan Assembly
To replace the fan assembly, reverse the removal procedure.