12Run the appropriate online diagnostic test.

If the test fails, see "Getting Help" on page 129.

13For 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 and Closing the System" on page 46.

c Reinstall one of the expansion cards. See "Installing an Expansion Card" on page 53. d Close the system. "Opening and Closing the System" on page 46.

e Run the appropriate diagnostic test.

If the test fails, see "Getting Help" on page 129.

Troubleshooting the Microprocessors

Problem

Error message indicates a processor problem.

Front-panel status LCD indicates a problem with the processors or system board.

A heat sink is not installed for each processor.

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Run the appropriate online diagnostics test. See "Using Dell PowerEdge Diagnostics" on page 117.

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3Open the system. See "Opening and Closing the System" on page 46.

4Ensure that each processor and heat sink are properly installed. See "Removing a Processor" on page 62.

5Close the system. See "Opening and Closing the System" on page 46.

6Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

7Run the appropriate online diagnostic test.

If the test fails or the problem persists, continue to the next step.

8Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

9Open the system. See "Opening and Closing the System" on page 46.

10Replace processor 1 with another processor of the same type. See "Removing a Processor" on page 62 and "Installing a Processor" on page 64.

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Troubleshooting Your System

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Dell EMU01 owner manual Troubleshooting the Microprocessors