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 are shipped with your product.
NOTE: When troubleshooting
a controller, see the documentation for your operating
system and the controller.
Run the appropriate
diagnostic test. See the Using system diagnostics section.
Turn off
the system and attached peripherals, and disconnect the system from
the electrical outlet.
Remove the
system cover.
Verify that
the installed expansion cards are compliant with the expansion card
installation guidelines.
Ensure that
each expansion card is firmly seated in its connector.
Install the
system cover.
Reconnect
the system to the electrical outlet, and turn on the system and attached
peripherals.
If the problem
is not resolved, turn off the system and attached peripherals, and
disconnect the system from the electrical outlet.
Remove the
system cover.
Remove all
expansion cards installed in the system.
Install
the system cover.
Reconnect
the system to the electrical outlet, and turn on the system and attached
peripherals.
Run the
appropriate diagnostic test. See the Using system diagnostics section.
If the tests fail, see the Getting help section.
For each
expansion card you removed in step 10, perform the following steps:
Turn off
the system and attached peripherals, and disconnect the system from
the electrical outlet.
Remove the
system cover.
Reinstall
one of the expansion cards.
Install the
system cover.
Run the appropriate
diagnostic test. See the Using system diagnostics section.
If the problem persists, see the Getting help
section.
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