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106 Troubleshooting Your System
Troubleshooting 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
Turn off the system and all attached peripherals.
2
Open the system. See "Opening the System" on page 45.
3
Reseat the fan's power cable.
4
Turn on the system.
If the fan functions properly, close the system. See "Closing the System" on
page 46.
5
If the fan does not function, turn off the system and install a new fan. See
"Installing the Cooling Fan" on page 83.
6
Close the system. See "Closing the System" on page 46.
7
Turn on the system.
If the problem is resolved, close the system. See "Closing the System" on
page 46.
If the replacement fan does not operate,
see "Getting Help
" on page 123
.