Computer powers off then tries to start up but resets repeatedly.

Posted by Sam Holder on Super User See other posts from Super User or by Sam Holder
Published on 2011-01-13T22:45:59Z Indexed on 2011/01/13 22:55 UTC
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failure

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reboot

My machine has started shutting itself off after a few minutes on, everything goes off.

A few seconds (3-5) after everything has stopped the lights come back on, the cpu fan and gfx card come on again. They spin for a second, then everything goes off again. A few seconds later same things happens again, light come back on, fans spin for a few seconds then go off. This repeats seemingly forever.

If I leave it for a while I can power the machine back on for a while and it will boot again. It will then stay on for a little while again before power off. Rinse and repeat.

Is this likely to be power supply or something else? The machine has been up and running for a couple of years before this.

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