Dell PowerEdge 850 - Manual (Page 115)

Troubleshooting Expansion Cards
Problem
l Error message indicates a problem with an expansion card.
l Expansion card performs incorrectly or not at all.
Action
1. Run the appropriate online diagnostic test. See " Using Server Administrator Diagnostics " in "Running the System Diagnostics."
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system. See " Opening the System ."
4. Ensure that each expansion card is firmly seated in its connector. See " Installing an Expansion Card " in "Installing System Components."
5. Close the system. See " Closing the System ."
6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists, go to the next step.
7. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
8. Open the system. See " Opening the System ."
9. Remove all expansion cards installed in the system. See " Removing an Expansion Card " in "Installing System Components."
10. Close the system. See " Closing the System ."
11. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
12. Run the appropriate online diagnostic test.
If the tests fail, see " Getting Help ."
13. For each expansion card you removed in step 9 , perform the following steps:
a. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
b. Open the system. See " Opening the System ."
c. Reinstall one of the expansion cards.
d. Close the system. See " Closing the System ."
e. Run the appropriate diagnostic test.
If the tests fail, see " Getting Help ."
Troubleshooting the Microprocessor
Problem
l Error message indicates a microprocessor problem.
l A heat sink is not installed for the processor.
NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system.
Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the
computer and protecting against electrostatic discharge.