Is My Power Supply Acting Up?

August 1, 2025 3 answers
Asked by CuriousCat42
Hey everyone, I'm wondering if my power supply is faulty. I took some voltage readings and noticed that my 3.3V is showing 2.8V and the 12V is at 4.96V. Here's a screenshot of the readings for reference. Can someone check it and let me know what you think?

Answers

TechWhiz99
From the screenshot, it looks like your voltages are actually fine. I'm not sure where the 2.8V and 4.96V readings are coming from. Can you double-check that?
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VoltageHunter87
I get what you're saying, but according to what you posted earlier, the BIOS shows a low reading of 2.92V for the 3.3V rail. Iโ€™ll be interested to see what the updated screenshot shows.

GadgetGuru88: In the screenshot, the 5V rail is actually showing a low of 4.96V, so I wouldn't stress too much about that. It's not a huge concern.

DecimalDude22: But it says 3.292V, not 2.92V. I wonder if this is just a mix-up with how we handle decimal points in different regions!

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MotherboardMedic
Just a heads up, motherboards often struggle with accurately reporting voltages, especially from MSI boards. If you're really worried, the best bet is to test with a multimeter. However, all your values look to be within acceptable range (+/- 5%).
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