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Installing System Components 93
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet.
2
Open the system. See "Opening the System" on page 91.
3
Disconnect the fan’s power cable from the fan-controller board.
Note the routing of the cable underneath the tabs on the chassis as you
remove them from the system. You must route these cables properly when
you replace them to prevent the cables from being pinched or crimped.
4
Lift the fan out of the cooling-fan cage.
Figure 3-23. Removing and Installing a Cooling Fan
1 cooling-fan cage 2 cooling fan (4)
1
2
book.book Page 93 Thursday, March 4, 2010 4:38 PM