Dell PowerEdge 650 - Manual (Page 41)

2. Lift the fan from the chassis. See " Removing a Fan Assembly " in "Installing System Components."
3. Reseat the fan.
Ensure that the fan connector is firmly seated.
4. Close the system. See " Closing the System ."
If the problem persists, replace the fan.
5. If the replacement fan does not operate, one of the fan connectors is faulty. See " Getting Help ."
Troubleshooting an Expansion Card
Problem
l Expansion card does not perform as expected.
Action
1. Open the system. See " Opening the System ."
2. Verify that the expansion card is firmly seated in its connector and the riser card is firmly seated in the riser-card connector.
3. Verify that the appropriate cables are firmly connected to the expansion-card connector.
4. Close the system. See " Closing the System ."
If the problem persists, continue to the next step.
5. Open the system. See " Opening the System ."
6. Remove all the expansion cards. See " Removing an Expansion Card " in "Installing System Components."
7. Close the system. See " Closing the System ."
8. Run the Quick Tests in the system diagnostics. See " Running the System Diagnostics ."
If the tests do not complete successfully, see " Getting Help ."
If the tests run successfully, continue to the next step.
9. Open the system. See " Opening the System ."
10. Reinstall one of the expansion cards.
11. Close the system. See " Closing the System ."
12. Remove the bezel (see " Opening the System "), turn on the system, and repeat step 8 .
If the tests still fail, see " Getting Help ."
If the tests are successful, continue to the next step.
13. Open the system. See " Opening the System ."
14. Reinstall the other expansion card.
15. Close the system. See " Closing the System ."
16. Remove the bezel (see " Opening the System "), turn on the system, and repeat step 8 .
If the tests fail, the expansion card might be faulty. See " Getting Help ."