Troubleshooting The Microprocessors - Dell PowerEdge 1900 Systems Owner's Manual

6 Close the system. See "Closing the System" on page 48.
7 Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists, go to the next step.
8 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
9 Open the system. See "Opening the System" on page 48.
10 Remove all expansion cards installed in the system. See "Removing an Expansion Card" on page 59.
11 Close the system. See "Closing the System" on page 48.
12 Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
13 Run the appropriate online diagnostic test.
If the tests fail, see "Getting Help" on page 137.
14 For each expansion card you removed in step 10, perform the following steps:
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
a
Open the system. See "Opening the System" on page 48.
b
Reinstall one of the expansion cards.
c
Close the system. See "Closing the System" on page 48.
d
Run the appropriate diagnostic test.
e
If the tests fail, see "Getting Help" on page 137.

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:
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.
1 If possible, run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics"
on page 127.
2 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3 Open the system. See "Opening the System" on page 48.
4 Ensure that each processor and heat sink are properly installed. See "Replacing a Processor" on page 91.
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Troubleshooting Your System