Dell PowerEdge T100 Series Hardware Owner's Manual page 121

If the problem persists, continue with the following steps.
11 Turn off the system and attached peripherals, and disconnect the system
from its electrical outlet.
12 Open the system. See "Opening the System" on page 47.
13 Remove all expansion cards installed in the system. See "Removing an
Expansion Card" on page 70.
14 Close the system. See "Closing the System" on page 47.
15 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
16 Run the appropriate online diagnostic test to see whether the diskette
drive works correctly.
If the tests run successfully, an expansion card may be conflicting with the
diskette drive logic, or an expansion card may be faulty. Continue to the
next step.
If the tests fail, see "Getting Help" on page 141.
17 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
18 Open the system. See "Opening the System" on page 47.
19 Reinstall one of the expansion cards you removed in step 13. See
"Installing an Expansion Card" on page 73.
20 Close the system. See "Closing the System" on page 47.
21 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
22 Run the appropriate online diagnostic test to see whether the diskette
drive works correctly.
23 Repeat step 17 through step 22 until all expansion cards are reinstalled or
one of the expansion cards causes the tests to fail.
If the problem is not resolved, see "Getting Help" on page 141.
Troubleshooting Your System
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