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Troubleshooting Your System | 157
7 Restart the system.
If the problem is resolved, close the system. See "Closing the System"
on page 118.
If the replacement fan does not operate, see "Getting Help" on page
179.
Troubleshooting System Memory
1 If the system is not operational, turn off the system and attached
peripherals, and unplug the system from the power source. Wait at
least
10 seconds and then reconnect the system to power.
2 Turn on the system and attached peripherals and note the messages on
the screen.
Go to step 11 if an error message appears indicating a fault with a
specific memory module.
3 Enter the System Setup program and check the system memory
settings. See "System Memory" on page 31. Make any changes to the
memory settings, if needed.
If the memory settings match the installed memory but a problem is
still indicated, go to step 11.
4 Turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
5 Remove the system-board assembly. See "Removing a System-Board
Assembly" on page 87.
6 Check the memory channels and ensure that they are populated
correctly. See "Supported DIMM Configuration" on page 107.
7 Reseat the memory modules in their sockets. See "Installing the
Memory Modules" on page 111.