Dell PowerEdge R410 Hardware Owner's Manual page 161

8 For systems with multiple processors, 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 82.
10 Remove all processors except for processor 1. See "Removing a Processor"
on page 126.
11 Close the system. See "Closing the System" on page 83.
12 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
13 Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 163.
If the test fails, the processor is faulty. See "Getting Help" on page 167.
14 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
15 Open the system. See "Opening the System" on page 82.
16 Replace processor 1 with processor 2. See "Installing a Processor" on
page 129.
17 Repeat step 11 through step 13.
If your system has more than two processors, continue installing and
testing each processor in the processor 1 slot until you determine the
faulty processor, and then replace the faulty processor. See "Getting Help"
on page 167.
If you have tested all the processors and the problem persists, the system
board is faulty. See "Getting Help" on page 167.
Troubleshooting Your System
161