221-Unknown Initialization Error

Symptom

221-Unknown Initialization Error. The system has experienced a fatal initialization error. (Major Code: X, Minor Code: Y).

Cause

The system encountered an unknown fatal system error during early memory and chipset initialization.

CAUTION:
Failure to properly handle DIMMs can damage the DIMM components and the system board connector. For more information, see the DIMM handling guidelines in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:
CAUTION:

Before removing or replacing any processors, be sure to follow the guidelines in "Processor troubleshooting guidelines" in the troubleshooting guide for your product. Failure to follow the recommended guidelines can cause damage to the system board, requiring replacement of the system board.

Action
  1. Inspect all installed processors and memory modules to verify that they are properly seated.
  2. Check for any damage or bent pins in the processor and DIMM sockets.
  3. If the issue persists, open a support case using the Hewlett Packard Enterprise Support Center website (https://www.hpe.com/support/hpesc).