Question about Dell Precision 380 P4 Dual Core 3 GHz (99382) PC Desktop

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Dell Precision 380 won't boot

I have a precision 380 workstation that will not attempt to boot.
there are no lights on the front panel, and when you press the power button, nothing happens.
the power supply is tested good, and when plugged it, the motherboard has a green light on it.
when the computer is first plugged in, it does a little test of sorts, and all the lights cycle on and then off. after it completes that, there is nothing.
the memory is tested good, and I have tried swapping video cards.

I am suspecting that the circut board with the power button may be bad, or perhaps the CPU.

Any ideas?

Thanks!

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I had a similar situation with a work computer; the power supply always tested good. A wiser and more experienced computer guru ordered a new power supply. He gave it to me told me to install it, I did and was laughing the whole time. Well it in fact was the power supply. Reason, power supplies are funny like that, they may test good under ideal conditions which is a minimum load put on the unit (enough to boot your system). They are not tested with the stresses of maintaining all your fans, hard drives, mother board, video card, monitor, CD drives, mouse, and keyboard. Its when those loads are applied is when the unit either surges or it is faulty and cannot maintain. First try finding some way to test that suspected bad circuit. If that's not it I would try replacing the power supply, that MAY NOT be your problem but it is certainly CHEAPER than replacing your processor and/or mother board. You could also have a hard drive problem; most drives have self testing features that are partitioned separate from the rest of drive. You can also try plugging your drive into a good computer and see if it boots.

I'll warn you though issues such as yours can take you down a costly road trying to trouble shoot. The components you are thinking of replacing pretty much will give you a brand new computer.

Hope this helps

Posted on Aug 01, 2009

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