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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