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May 20, 2006 1:12:32 AM

I posted about the smoking mother board, thanks for the replies! Anyway, I took everything out but kept the 20 Pin connected to the MB, when I switch on the Power supply in the back I hear this high piched whine that goes Eeeeuu, then stops...I switch off then on, again I hear the Eeeeeuu, fait but there. What does this sound say about the PS? when I take the 20 pin out at do this I dont hear the sound!

Any ideas?

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May 20, 2006 11:08:17 AM

There is something seriously wrong there?

What are the makes and models of the power supply and the motherboard?

Which components are installed on the motherboard when that happens?

You should have a minimum of the memory modules, video card, and processor with its heatsink and fan installed.

You should not power up a motherboard if it has no load.

Have you checked to make sure that the voltage switch on the power supply is switched to the correct voltage for your country?

In the UK it is 230V and in the US it is 115V.

Failure to ensure this switch is set to the correct voltage will probably destroy your PSU.
May 20, 2006 4:37:26 PM

Yes everything was set-up right, I've built two computers before this with no problems. I guess the third was not a carm here. Im in the process of replacing the MB and PS...
!