I've built a PC a few years ago mainly for basic tasks and browsing the internet. Recently, it's started shutting down unexpectedly, almost like the power's been cut. Initially, it would happen every hour, but now it's shutting off after just 15 to 30 minutes of use. The power supply is quite old, over 10 years, but I thought it wouldn't be much of an issue since I'm just using a Ryzen 5700G without a dedicated graphics card. Is my power supply failing, or could something else be causing this? I ordered a new one to test it, but I'd appreciate any thoughts on this.
3 Answers
Yeah, a failing PSU does match what you're describing. It could also be something else like a faulty CPU or motherboard, but replacing the PSU is a good first step. Just keep an eye on any overheating signs too, though your CPU temps seem fine right now.
Given the age of your PSU, I’d highly recommend replacing it. It's generally the easiest and most cost-effective fix for this kind of issue. Many PSUs come with warranties ranging from 5 to 10 years depending on the brand, so hopefully, yours will serve you well!
Sounds like your power supply is definitely the first thing you should check. Older PSUs can fail and really mess up your system. You should also look into your Event Viewer for any errors—it might give some clues about what's happening.
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