Dell PowerEdge 850 Installation And Troubleshooting Manual page 115

Troubleshooting Expansion Cards
NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.
Problem
Error message indicates a problem with an expansion card.
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Expansion card performs incorrectly or not at all.
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Action
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.
1. Run the appropriate online diagnostic test. See
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system. See "Opening the
4. Ensure that each expansion card is firmly seated in its connector. See
5. Close the system. See "Closing the
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
9. Remove all expansion cards installed in the system. See
10. Close the system. See "Closing the
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
13. For each expansion card you removed in
a. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
b. Open the system. See
c. Reinstall one of the expansion cards.
d. Close the system. See
e. Run the appropriate diagnostic test.
If the tests fail, see "Getting
Troubleshooting the Microprocessor
Problem
Error message indicates a microprocessor problem.
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A heat sink is not installed for the processor.
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"Using Server Administrator
System."
System."
System."
"Removing an Expansion
System."
Help."
step 9, perform the following steps:
"Opening the System."
"Closing the System."
Help."
Diagnostics" in "Running the System Diagnostics."
"Installing an Expansion Card" in "Installing System Components."
Card" in "Installing System Components."