PC hardware forum: Power supply issue

by: ethtrh465yt5t5 April 23, 2013 5:53 PM PDT

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Power supply issue

by ethtrh465yt5t5 - 4/23/13 5:53 PM

Hi, I bought a new power supply for an old computer that has been without power for a few years. (1.3Ghz Duron)

The PSU powers up the computer and everything seems normal, for a little while. Then, randomly, it just powers down. Then it stays off.

I have another computer that works just fine and I put the new PSU in it to see what happens. Same thing.
Works for a little while then it powers down and stays off.

Also, I took the power supply out of my working computer and tried it in the Duron, and it worked just fine without issue.

So I have concluded that the problem IS the new PSU that I purchased for the Duron.

It's really confusing though, because how does it "gain" power to eventually power the computers it is in for a little while? I mean, once it dies, it won't work. But if you leave it for a while, it works (for a short time).

Very strange. I am scared that the store will test it out when I take it back tomorrow and find it works and disregard the fact that it WILL power itself off within a few mins or a few hours.

Please help! Thanks!

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