Dell 840 Personal Computer User Manual


 
68 Installing System Components
Figure 3-16. Removing the Back System Fan
Installing the Back System Fan
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer, and protecting against electrostatic
discharge.
1
Align the tabs on the fan bracket with the mounting holes in the back panel and slide the fan assembly
toward the power supply about 0.63 cm (0.25 inch) until the fan bracket release tab snaps into place.
See Figure 3-16.
2
Connect the fan cable to the BACK_FAN connector on the system board.
To identify system board connectors, see "System Board Connectors" on page 118.
3
Install the cooling shroud. See "Installing the Cooling Shroud" on page 65."
4
Close the system. See "Closing the System" on page 47.
1 release tab 2 fan cable connector 3 BACK_FAN connector
4 back system fan
1
2
3
4