Dell PowerEdge C8220 Hardware Owner's Manual page 216

1 If the system is not operational, turn off the sled and attached peripherals.
2 After 10 seconds, turn on the sled and attached peripherals and note the
messages on the screen.
Go to step 13 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 "Main Menu" on page 56. 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 13.
4 Turn off the sled and attached peripherals.
5 Remove the sled from the enclosure. See "Removing a Sled" on page 143.
6 Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 151.
7 Check the memory channels and ensure that they are populated correctly.
See "Supported DIMM Configuration" on page 161.
8 Reseat the memory modules in their sockets. See "Removing Memory
Modules" on page 163 and "Installing Memory Modules" on page 164.
9 Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 152.
10 Reinstall the sled into the enclosure. See "Installing a Sled" on page 144.
11 Turn on the sled and attached peripherals.
12 Enter the System Setup program and check the system memory settings.
See "Main Menu" on page 56.
If the problem is not resolved, proceed with the next step.
13 Turn off the sled and attached peripherals.
14 Remove the sled from the enclosure. See "Removing a Sled" on page 143.
15 Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 151.
16 If a diagnostic test or error message indicates a specific memory module as
faulty, swap or replace the module.
216
Troubleshooting