Manufacturer Diagnostics Manual
Verified OEM Technical Manual
AMD Diagnostics & Fault Manuals
AMD Ryzen desktop CPUs, Radeon graphics, AGESA microcode updates, and AM5 motherboard diagnostics.
Equipment Models
Hardware families produced by AMD
Indexed Error Codes for AMD
Machine-verified error code diagnostic walkthroughs
CODE 00
Ryzen 9 9950X
Critical
AM5 Socket Post Code 00
Q-Code 00 indicates that the motherboard UEFI/BIOS has failed to detect, communicate with, or initialize the CPU. This halts the power-on self-test prior to DRAM or PCIe enumeration, commonly caused by unseated LGA 1718 socket pins, missing EPS12V rail voltage, outdated AGESA firmware lacking Granite Ridge microcode, or a cracked substrate/defective CPU.
⏱ 30-45 Mins
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