POST Code Decoder Tool
This tool decodes motherboard POST codes from AMI, Award, Phoenix, and modern UEFI systems.
Enter a POST code, select the BIOS vendor, and receive a technician‑grade diagnosis with severity level and recommended actions.
POST Code Input
POST Code Analysis
Enter a POST code and select a vendor to begin.
How Technicians Use POST Codes
- POST codes indicate exactly where the boot process failed.
- Codes differ between BIOS vendors — selecting the correct vendor is critical.
- Codes often point to RAM, CPU, GPU, storage, or motherboard faults.
- Some codes indicate fatal motherboard issues requiring board replacement.