I recently built a computer for my mom, and it works perfectly fine at my place. However, when I take it to her house, it won't post at all. The motherboard is an Asus B850 Plus Wi-Fi. At her house, the power light flashes slowly, but nothing else happens—even when it's just plugged in without any other cables. I'm completely stumped on what's going on here!
3 Answers
Just curious, do any other electronics have trouble at your mom's house, or is it just the PC? If everything else works fine, measuring the voltage could be a good step to take if you can.
It sounds like there could be an electrical issue at your mom's place. Since it works fine at yours, check the voltage at the outlet where you're plugging it in. A mismatch could be causing the problem.
Have you thought about changing the outlet you're using? Sometimes, using a power strip or an extension cord can create issues. It might be worth trying a different wall socket too.

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