Inconsistent BSODs with MEMORY_MANAGEMENT and IRQL_NOT_LESS_OR_EQUAL on a PC

[JoshuaW]

I've started getting frequent Blue Screen of Death errors on my custom-built gaming PC, usually with different stop codes like MEMORY_MANAGEMENT and IRQL_NOT_LESS_OR_EQUAL, which makes pinpointing the cause incredibly frustrating. The crashes seem random but often occur during gaming or video rendering sessions. I've already updated all my drivers, run Windows Memory Diagnostic (which found nothing), and checked my temperatures, which are normal. For experienced builders and technicians, what's your systematic approach to BSOD troubleshooting when the errors are inconsistent? Should I focus on testing my RAM with more rigorous tools like MemTest86, consider a potential SSD failure, or could this point to a deeper issue with my motherboard or power supply that standard diagnostics might miss?