Dell PowerEdge XK946 Hardware Owner's Manual page 148

Remove all the processors. See "Processors" on page 101.
c
Install a processor into the socket for processor 1. See "Processors" on
d
page 101.
NOTE:
Close the system. See "Installing the Top Cover" on page 60.
e
Reconnect the system to the electrical outlet, and turn on the system
f
and attached peripherals.
Run the appropriate online diagnostic test.
g
If the test completes successfully, then repeat steps a through g.
h
If the test fails, the processor in the system is faulty. See "Getting
i
Help" on page 165.
11 Reinstall the processors. See "Processors" on page 101.
148
Troubleshooting Your System
To locate the processors, see Figure 3-1.