Question Random PC restarts showing BIOS error 99 - will Windows factory reset fix it?

May 16, 2024
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Okay, trying to sort this out. PC boots just fine but will randomly restart/reboot. The BIOS shows 99 in the bottom right corner but Windows loads normally and everything seems fine... until it resets again. It can happen while I'm browsing, watching YouTube, using Photoshop or when I'm gaming, no apparent rhyme nor reason. I've checked all the components and connections and everything seems fine. Really need to figure this out and hoping there's a solution. Here's my system specs:

AVGPC Max Gaming PC / Biostar B550MXC PRO board
AMD Ryzen 5 5600G 6-Core 4.4 GHz Max Boost
32GB CORSAIR VENGEANCE LPX DDR4 (16x2)
1TB M.2 NVMe SSD
Hyper 212 RGB Cooler
Thermaltake Smart BM3 80+ 850W Semi-Modular PSU
AMD Radeon RX 7600XT GPU
Samsung 870 EVO SATA III SSD 1TB (added as a D drive)

I checked with AVGPC and they suggested I try and roll back the last few Windows updates (unable to since it's been 10 days since last update) or to do a Windows Reset back to factory default... is that something I should consider and/or what are the risks? Windows 11 came preinstalled on this PC and if something goes wrong I'll be dead in the water. I've been looking all over the net for possible fixes and I've never seen the Windows reset suggestion. Any ideas?