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Computer won't stay on

So I've built a heavy hardware near top of the line computer.
Its got
Intel Core 2 Duo with Stock Fan
2GB RAM
320GB HD
DVD-R Drive
Stock Power Supply

It won't stay on for more than like 1 or 2 minutes after I hit the power button. My theory is either its overheating because the CPU fan was sort of hard to click in and seemed loose. Or the fan just sucks. I only have one other fan besides the stock one and I have a Zalman system cooling fan on hand that is extremely big and probably would keep the whole system layered with frost.

Anyone have any other ideas?

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Collapse -
You should not turn it back on until you get

In reply to: Computer won't stay on

A new heat sink and fan, and use lots of Thermal goop.

Collapse -
Remove and reinstall the CPU and HS FAN...shouldn't be loose

In reply to: Computer won't stay on

at all and you'll need some thermaol grease. Something's definitely wrong here.

If that fails to solve the problem and you're sure the HS FAN is properly installed ... here's an efficient but modestly priced CPU cooling option.

http://www.arctic-cooling.com/cpu2.php?idx=79&disc=

Also available at Newegg.com

VAPCMD

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