Replace a DIMM when one of the following events takes place:
- The DIMM fails memory testing under BIOS due to Uncorrectable Memory Errors (UCEs).
- UCEs occur and investigation shows that the errors originated from memory.
- More than 24 Correctable Errors (CEs) originate in 24 hours from a single DIMM and no other DIMM is showing further CEs.
Locating a faulty DIMM:
You can use the following Help Center Article to assist with DIMM identification and replacement.