- Sep 27, 2010
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I'm hoping to get some insight into what might be happening with my PC that I built. I've spent hours researching and troubleshooting to no avail. This is what I've done:
- AMD Ryzen 5600x
- RAM Corsair Vengeance PRO 16GB
- MB: MSI B550 A Pro
- Video: Asus TUF 3080
- PSU XPG 750W
- 2x 2.5" SSDs connected via SATA cables
- I have a donor PC that I'm currently using. I have tested all parts on it except the CPU because the socket isn't supported.
- PC was operational for over a month without issues.
- Randomly during idle it shut off and does not POST (cycles reboot after a brief black screen with _ in top left) when any of the SATA ports are plugged in.
- EZ debug shows VGA. Tested my card in another PC and it works fine. Used a working video card from donor PC in mine and it's doing the same thing.
- I deducted that when SATA ports are unplugged it boots into BIOS and all hardware is recognized.
- Tested my SSD in another PC and it boots into Windows (I'm booted into Windows on that SSD as I'm making this post)
- Tested someones SSD in my PC and it does not POST when SATA is plugged into the MB
- SSD can be plugged into PSU but not into SAtA in order to POST into BIOS
- Flashed most recent non-beta BIOS
- Cleared CMOS
- Tested 3 GPUs
- Tested 3 RAM sticks in single and dual configs
- Lastly I RMA'd the mobo. I received the replacement board yesterday (same one, but serial# doesn't match what I had so I assume it's new or refurbished) and when I put everything back together it does the exact same thing it was doing before RMA - just cycle booting without POST with SSD plugged in.
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