!!
critical Msi

Error Code DRAM

DRAM is not detected or has failed. Indicated by EZ Debug LED.

? What Causes This

Memory module not properly installed, incompatible memory, or memory failure.

How to Fix It

  1. Power off and unplug the system.
  2. Remove and reseat memory modules, starting with DIMMA2 slot.
  3. Ensure memory is fully inserted until retaining clips snap.
  4. Try memory in different slots.
  5. Test with known working memory if available.

Source: page 42 of the official manual

From the manual

Manual page 42 — Msi error DRAM

This error code appears in:

Msi B550-A Pro Motherboard