Dell PowerEdge T410 Hardware Owner's Manual page 172

7 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
If the problem is not resolved, proceed with the next step.
8 Open the system. See "Opening the System" on page 90.
9 Remove all expansion cards installed in the system. See "Removing an
Expansion Card" on page 118.
10 Close the system. See "Closing the System" on page 91.
11 Place the system upright and on its feet on a flat and stable surface,
reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
12 Run the appropriate diagnostic test. See "Running the System
Diagnostics" on page 173.
If the tests fail, see "Getting Help" on page 185.
13 For each expansion card you removed in step 9, perform the following
steps:
Turn off the system and attached peripherals, and disconnect the
a
system from the electrical outlet.
Open the system. See "Opening the System" on page 90.
b
Reinstall one of the expansion cards.
c
Close the system. See "Closing the System" on page 91.
d
Place the system upright and on its feet on a flat and stable surface,
e
reconnect the system to the electrical outlet, and turn on the system
and attached peripherals.
Run the appropriate diagnostic test. See "Running the Embedded
f
System Diagnostics" on page 174.
If the tests fail, see "Getting Help" on page 185.
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Troubleshooting Your System