When I turn on my computer it makes a wierd buzzing sound, which I believe is coming from the power supply. If I turn my computer off for about 10 seconds or so, and then turn it on, it's fine and there is no noise. If I don't turn it off and on when I hear the buzzing and just let the computer run, the buzzing eventually goes away. It seems to be working OK, and the power supply is blowing air out, so I don't know what's up. Is it too much dust or something?
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Power Supply is making a buzzing sound
- Thread starter mallik
- Start date
JarredWalton
Member
Most likely you've got a bearing going out on a fan in your PSU. Actually, it could also be caused by running a "cold" computer. Anyway, if the PSU isn't too old, get it RMA'ed while you still can. If it's really bothering you and you don't want to buy a new PSU, you could open the PSU and juryrig a new fan in place, but that's not exactly "safe" so do that at your own risk.
VirtualLarry
No Lifer
That's the usual culprit, a fan needs to spin up and the bearings stabilize. When it starts cold, the bearings may wobble slightly. I had a PSU like that, sometimes you had to start it a few times, or use a (plastic!) pen to gently "bump" the fan through the grille in the back, and it would stop wobbling.
But if the problem is the actual electronics, that's not good, something is most likely amiss there.