I've been having issues with my PC lately as it's been throwing BSODs (Blue Screen of Death) every few minutes. It started about two hours ago, and I'm really struggling to figure it out. The most common error codes I'm seeing are IRQL_NOT_LESS_OR_EQUAL and KERNEL_SECURITY_CHECK_FAILURE, but I've also encountered REFERENCE_BY_POINTER and UNEXPECTED_KERNEL_MODE_TRAP. Here's my build: MSI B450 Gaming Plus MAX, Ryzen 5 3600, Radeon RX5700 XT Sapphire Nitro+, G.Skill Aegis 3000MHz 32GB (4x8GB), 1TB SSD + 2TB HDD, and an SPC Supremo L2 650W Gold PSU, running on Windows 10. Is it possible my PSU is failing? I ruled out RAM issues by removing pairs and swapping but still got the same BSODs. These crashes were infrequent before, but now they're frequent and frustrating. I've also tried reinstalling Windows and updating BIOS and drivers for the CPU and GPU without improvement.
2 Answers
Given the error codes you're encountering, it does suggest potential hardware problems. Since you've already ruled out the RAM, pay attention to the GPU and PSU conditions. If your PSU isn’t providing enough power or is malfunctioning, it could lead to the issues you're facing. It's worth testing with a different PSU if you have access to one. And don't forget to check your GPU temps—overheating could be triggering the BSODs too.
It sounds like your hardware might be the culprit, especially since you already did a clean install of Windows. RAM issues are usually the first thing to check, but since you've swapped them out and still see BSODs, it might not be that. Have you tried checking your GPU or even running a memory test? You could also look at the PSU; if it's dying, it might not deliver stable power, which could cause these crashes. Also, make sure all your drivers are up to date, especially the chipset and GPU drivers.

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