Troubleshooting A Hard Drive; Troubleshooting Expansion Cards - Dell PowerEdge T20 Owner's Manual

Troubleshooting A Hard Drive

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.
CAUTION: This troubleshooting procedure can erase data stored on the hard drive. Before you
proceed, back up all files on the hard drive.
1. Run the appropriate diagnostic test. For more information, see
Depending on the results of the diagnostics test, proceed as needed through the following steps.
2. Ensure that the required device drivers for your controller card are installed and are configured
correctly. See the operating system documentation for more information.
3. Restart the system and enter the System Setup.
4. Verify that the controller is enabled and the drives are displayed in the System Setup.
If the problem persists, try troubleshooting the expansion cards or see

Troubleshooting Expansion Cards

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.
NOTE: When troubleshooting an expansion card, see the documentation for your operating system
and the expansion card.
1. Run the appropriate diagnostic test. For more information, see
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system.
4. Ensure that each expansion card is firmly seated in its connector.
5. Close the system.
6. If the problem is not resolved, turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
7. Open the system.
8. Remove all expansion cards installed in the system.
9. Close the system.
10. Run the appropriate diagnostic test. For more information, see
If the tests fail, see
11. For each expansion card you removed in step 8, perform the following steps:
a. Turn off the system and attached peripherals, and disconnect the system from the electrical
outlet.
b. Open the system.
c. Reinstall one of the expansion cards.
d. Close the system.
e. Run the appropriate diagnostic test. For more information, see
Getting Help.
Using System Diagnostics.
Getting Help.
Using System Diagnostics.
Using System Diagnostics.
Using System Diagnostics.
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