Dell PowerEdge C8000 - Manual (Page 342)

342 Troubleshooting
Troubleshooting System Memory
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
NOTE: Invalid memory configurations can cause your system to halt at startup
without video output. See "System Memory" on page 288 and verify that your
memory configuration complies with all applicable guidelines.
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 67. 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 155.
6 Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 278.
7 Check the memory channels and ensure that they are populated correctly.
See "Supported DIMM Configuration" on page 289.
8 Reseat the memory modules in their sockets. See "Removing Memory
Modules" on page 291 and "Installing Memory Modules" on page 292.
9 Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 279.
10 Reinstall the sled into the enclosure. See "Installing a Sled" on page 156.
11 Turn on the sled and attached peripherals.