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· Registered
1 Posts
Discussion Starter · #1 ·
Hello and thanks for looking into this.

I have been having random BSODs, seemingly out of nowhere, for the past year or so.
Sometimes these happen during gaming, other times these happen over zoom calls and some times they happen due to having too many Chrome tabs open (I think). Other times they happen even when the system is not under any significant load. There are periods where several months pass without having any, then there are days with 3 or 4 crashes in a row.

After a BSOD, there's a 50% chance that my PC will not POST and the status light on my motherboard stays orange. A successful POST has the status light cycling from red to white.
To get around this, I typically either reseat my RAM, or change its slot. (more on this below). Sometimes this works right off the bat, other times I need to keep doing this for 3-4 times before the system starts POSTing normally.

BSODs (roughly from most encountered to least encountered):
  • Kernel security check failure
  • Kmode exception not handled
  • Memory management
  • IRQL not less or equal
  • Unexpected kernel mode trap
  • System service exception nvlddmkm.sys
  • PFN list corrupt
  • DPC watchdog violation

Things I've tried:
  • Updating BIOS
  • Updating drivers
  • Fresh windows installs
  • System file checker (sfc /scannow)
  • Memtest. Passed but the hammer stage took a really long time. 5+ hours.
  • Tried running the system with RAM Stick 1 in slot A, then after getting another BSOD, moving it in slot B. Then tried running with RAM Stick 2 in slot A, then in slot B. Then tried running it with the sticks reversed, or in their original position. I don't have a clear conclusion for this experiment, but what I know for sure, is that if I run the system with both RAM sticks at the same time, the chance of getting a BSOD increase considerably. So that left me with sitting with half of my available RAM for the past year or so.
  • I am not overcloking anything

  • CPU: AMD Ryzen 5 5600x
  • CPU Cooler: EKWB EK-AIO 240 D-RGB
  • Motherboard: Asus ROG Strix B550-i
  • Memory: G.Skill Trident Z Neo 32 GB
  • Storage: ADATA XPG SX8200 Pro 1 Tb
  • Power Supply: Corsair SF750 750 W 80+ Platinum
  • GPU: NVIDIA GeForce GTX 660
Yes, I am aware that my GPU is ancient. I have ordered a 3060 TI.

Please guide me towards what other tests I should be running to figure out what the issue is, before I go buying new RAM or sending my motherboard for RMA.

Thank you very much.

· Registered
3 Posts
Still seems like a memory issue to me, despite passing memtest. Or possibly a problem that occurs occasionally with the CPU or its memory controller. Are you using the XMP memory profile? Have you tried reseating the CPU, checked for bent pins on it? I'd also try a different set of RAM sticks, just to be sure. If it's the same, you can just return them. Also, clearing CMOS is always a good troubleshooting step to try, if you haven't. Check your mobo manual to learn how. It's either a jumper to switch or a button. Or you could remove the CMOS battery and, with the power supply unplugged, press and hold the case power button for 30 seconds.

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