Fan
The fan is located near the middle of the computer and is secured with three Torx screws. You have to remove the metal plate to remove the fan..
To remove the fan assembly:
1.Prepare the computer for disassembly (see Preparing to disassemble the computer on page 32).
2.Remove the access panel (see Access panel on page 36).
3.Remove the stand (see Stand on page 38).
4.Remove the lower panel (see Lower panel on page 40).
5.Remove the metal plate (see Metal plate on page 41).
6.Disconnect the fan cable from the system board connector labeled CHFAN (1).
7.Remove the three Torx screws that secure the fan to the computer (2).
8.Remove the fan from the computer (3). Figure
To install the fan assembly, reverse the removal procedures.
NOTE: To avoid damaging the rubber screw grommets installed around the captive screws, when installing the fan, push down on the fan assembly before you tighten the screws. Make sure the grommets are positioned correctly before tightening the screws.
Fan 77