Power outage when I turn on my computer

Ji Eun

Reputable
Dec 4, 2014
3
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4,510
When I turn on my computer, the electricity in my room goes out. My power supply is 750watts. Please help me
 
Solution
There might be, but the circuit that your computer is running on might not just encompass your room. As synphul said, too much power might be drawn from the breaker, setting it off. You might have a breaker set to go off at a very low wattage, but that makes little sense. It's either your computer or your breaker, and as long as your computer is built properly, it should be fine, and the breaker has a problem.
There might be, but the circuit that your computer is running on might not just encompass your room. As synphul said, too much power might be drawn from the breaker, setting it off. You might have a breaker set to go off at a very low wattage, but that makes little sense. It's either your computer or your breaker, and as long as your computer is built properly, it should be fine, and the breaker has a problem.
 
Solution
I can't say for sure, but chances are there's something is wrong in terms of wiring. Can you take your pc to a different room (try to get further away from your room physically, or use a socket that's still active when your room's breaker is blown so you know you're on a different circuit). Try that and see if it throws that circuit too. If so, there might be a short or wiring issue in your power supply. Or if you have something like a space heater, unplug your pc from the outlet it's in and plug the space heater into it and turn it on high. If the the circuit fails with the heater, poor wiring or an overload is happening and it's your wall wiring. If you plug in the space heater and it's fine, but plug your pc back in and turn it on (instead of the heater, not in addition to it) and it blows again, I'd say it's your pc.

The reason for a heater, if you're in the u.s. (I'm not familiar with european wiring) a space heater on high typically draws 1500w. I highly doubt your pc pulls close to that. It will make a weakness in your room's wiring show up pretty quick if the heater trips the circuit your pc is usually plugged into.

If you're using a ups or power bar, try plugging your pc straight into the outlet. See if the issue persists, sometimes a power bar can cause problems. If you're not using one, then you can skip that step in isolating the issue.