I recently built a new PC and have been experiencing a Kernel Power Error 41. After changing the RAM, CPU, and CPU fan, everything was fine for about two days. Now, my system is crashing randomly, especially when switching desktops or launching games. I'm also using an older PSU with some white cable extensions. I tried activating XMP on the new RAM but disabled it since I read it could be causing issues. Additionally, I couldn't use an M.2 drive because my motherboard has compatibility issues with it, and it crashes my PC when connected. I've also installed a fresh version of Windows since the old one was on the M.2 drive that wouldn't work. Any insights on what could be causing these problems?
2 Answers
You mentioned running a memory diagnostic with no issues, which is good! But since the crashes started after your recent changes, it’s worth retrying XMP at lower settings or even stock. The older PSU and extensions might be causing instability under stress, so consider testing with a different power supply if you have one on hand.
First off, how old is your PSU? Even if it's new, some models can be dodgy. Also, don’t overlook those cable extensions; they can sometimes mess with power delivery. As for the M.2 issue, a Gen 3 NVMe should definitely work with a B850 motherboard unless it’s something like an mSATA drive, which won't fit. If you’re mainly crashing during gaming or heavy tasks, check your power supply and make sure it can handle your hardware under load.

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