Error code

MSI BOOT

MSIBOOT
Debug LED· Indicates which boot stage failed (CPU / DRAM / VGA / BOOT).

What it means

Indicates a general boot failure or issue preventing system initialization..

Per pc-seed:MSI

booting device is not detected or fail.

Per pc-seed:MSI, p50

How to fix it

  1. Check BIOS settings for any misconfigurations.
  2. Ensure all necessary components are installed and properly seated.
  3. Try resetting the CMOS to default settings.

Not affiliated with MSI. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.