My COMPUTER is restarting after 2 minutes i turn it on

Hi folks,

I don´t know what´s happening. This is the situation:

I TURN ON my computer and after 2 or 3 minutes, it restarts automacitally (i dont do anything). So, the computer initialize again and after 2/3 min. restarts again and this go on in this way (...)

The question is not related to periphicals (acessories) because the computer is "CLEAR" (just CD ROM, HD, floppy)... Nothing special.

Sometimes, the computer restarts before WINDOWS inicialization.

Anybody imagine what´s happening?

Best regards.
joelsilvaAsked:
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futuregolfproConnect With a Mentor Commented:
Are you trying any over clocking?

It sound to me like 1 of 2 scenarios.

1. Your cpu is overheating.
Make sure your heatsink is making good contact. Enter the bios and look for the hardware monitor. Your cpu should be under 50C in the bios. Anything above that could signal an overheating issue, because the cpu will get much hotter during the boot process when it is using the cpu.

2. Your power supply is not sufficient enough to handle the load or is dying.

Go here http://mbm.livewiredev.com/ and download motherboard monitor. It can tell you voltages and temperatures for your system. Look for any voltages that are more than +/- 5% off their stated values and check that your cpu is under 60C (you really want it under 50).
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Cyber_ManCommented:
It sounds like your PSU is faulty or insufficient. In your bios there is a power management setting that tells the computer what to do in case of a power failure. There are usually 3 options - Turn off, turn on or last state. Set it to turn off and then boot into windows and if your computer now turns off instead of rebooting then you can be pretty sure that your PSU needs replacing.
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joelsilvaAuthor Commented:
Hey CyberMan, my computer doesnt have a LAST STATE option... Just TURN OFF and TURN ON... If i put TURN OFF, it still restarting....
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cKdiscipleCommented:
I have encountered this problem twice in my own experience. The cause, in my case, was using two different frequency sticks of ram, or using ram that exceeded the specifications of the motherboard manufacturer. You could try a different stick of ram, making sure that it/they agree with the ram specifications (frequency, latency, pin size, density, etc..) of the motherboard.
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