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System issues reported: POST failure when RAM sticks are not installed or present. With both installed in slots A2 and B2, encountering specific error codes such as 59, D0 (possibly D0), C2, C4, 54, and repeated 11s until C1 triggers a reboot. Debug codes 12 and 54 appear to relate to CPU or memory faults, while 00 is unidentified. When only one RAM stick is present in slot A2, code 12 appears but the system remains operational until manually stopped. All components including CPU, RAM, and SSD are compatible with Gigabyte’s specifications, except for a BIOS update required on the processor. Troubleshooting steps include updating BIOS to version F20, using Q-flash plus, verifying cables, testing different RAM configurations, re-seating the CPU, clearing CMOS, and re-flashing the BIOS. Contacting Gigabyte has not yielded a response. Possible causes may involve motherboard compatibility or RAM configuration errors.
Do you verify the CPU socket for debris or damage? Check for bent pins and thermal paste. Have you swapped out the RAM? Did you replace the CMOS battery? Have you tested without any GPU? Try running without any RAM to see what error appears (should be memory issues if not).
I don’t have another CPU compatible with the motherboard. I’m checking for dust, bent pins, and thermal paste—everything seems fine. There’s no additional RAM available; I might visit Best Buy to try some out if the issue is with the motherboard. It’s brand new, so I suspect the battery isn’t the problem, but it could be worth getting a replacement if the issue continues. The board only has a display port, which I don’t have a compatible monitor for, so I can’t verify its functionality. Without any RAM installed, I still get the same debug message 59.
Without additional components to evaluate, it becomes difficult to pinpoint the exact cause. Some computer shops may offer parts for free or at a low cost, which could be worth considering—bring your RAM and CPU there if they perform well; likely a motherboard or BIOS issue. Another extremely unlikely scenario is that the device is failing completely, producing unusual voltage outputs, though this seems improbable even with outdated power supplies.
I'll check nearby shops to see if they can assist with testing PSU components, as it seems rare they can provide the required voltages.
I resolved the problem by consulting Gigabyte support. Initially, I tried flashing the BIOS with a 32GB USB drive, but it was too large. Switching to an 8GB USB worked well. They advised using no more than 16GB for BIOS updates. After that, the system successfully POSTed after the update, which typically takes 6-8 minutes according to their guidance.