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94 Installing System Components
Installing a Cooling Fan
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
Align the cooling fan and slide it in the cooling-fan cage until the cooling
fan is firmly seated. See Figure 3-23.
NOTE: The fan blades should face the front panel of the system.
2
Connect the fan’s power cable to the connector on the fan-controller board.
You must route these cables properly through the tabs on the chassis
to prevent them from being pinched or crimped.
3
Close the system. See "Closing the System" on page 92.
4
Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
Power Distribution Boards
Removing a Power Distribution Board
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.
NOTE: This system has two power distribution boards. The procedure to
remove and install both the power distribution boards is similar. To access the
second power distribution board at the bottom, remove the power distribution
board at the top.
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
Remove the power supply. See "Removing a Power Supply" on page 59.
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