Dell PowerEdge NM176 Hardware Owner's Manual page 115

3 Open the system. See "Opening the System" on page 54.
4 Ensure that the processor and heat sink are properly installed. See
"Replacing the Processor" on page 85.
5 Close the system. See "Closing the System" on page 55.
6 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
If the problem persists, see "Getting Help" on page 127.
Troubleshooting Your System
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