A friend of mine has been having some serious issues with his PC. It started crashing with black screens after just a few minutes of use. Initially, I thought it was a Windows issue, so I did a clean install, but the crashes continued. I tried reseating the RAM, CPU, and SSD, and performed another clean install, yet it still crashes. After running a system file checker (sfc /scannow), it found corrupt files. I thought maybe the Windows installation USB was faulty, so I remade it and reinstalled Windows twice more, but I still found corrupt files each time. I'm pretty stumped here. The components are mostly reputable brands, except for the PSU, which I'm suspecting might be causing instability. However, I think a faulty PSU shouldn't lead to this issue. I also ran a memory test with PassMark and got no errors. Here's the part list: Kingston Fury DDR4 3200MT/s, Asus RX 7600, Ryzen 5 5600, WD Blue SN570 1TB, Asus TUF B520M Plus II, Nox Uranno VX 650W.
4 Answers
The PSU could definitely be causing these stability issues. If the system seems stable for a few minutes, I recommend checking the SSD health using a tool like CrystalDiskInfo to confirm everything's okay with that component.
Have you tried running the command prompt as an admin? Use the commands 'sfc /scannow' and 'dism /online /cleanup-image /restorehealth'. That can often fix corrupt files. I don't think the PSU is the culprit. You should also check the RAM using MemTest86. If you see any errors, it might be the RAM causing these crashes. Additionally, use CrystalDiskInfo to look for any reallocated sectors. It should show above 90 for drive health. Running Cinebench R23 can help check if the CPU's power delivery is steady and temperatures are normal. Test the GPU with FurMark to rule out overheating or artifacts, and ensure your BIOS is updated or reset the CMOS battery to clear any possible settings issues. After a crash, check the Event Viewer for any error logs that might give you clues.
I ran the DISM command, but it just returned an error. I’ve completed the memory test with no issues. My SSD shows 100% health in CrystalDiskInfo, though I have no SMART data. FurMark ran without a hitch, and so did Cinebench, with normal temperatures and performance. I think I’ll try using my own PSU and do yet another clean install to see if it helps.
Just a heads-up—Nox brand PSUs aren’t well-rated. They often land under Tier F for quality, which raises significant red flags for reliability. This might be your issue, especially if the power supply is unstable.
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