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Bought new power supply; not sure it works

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Join Date: Oct 2003

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buddyb

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Bought new power supply; not sure it works

Apr 26th, 2006

It's a 350 watt PS. When I plug it in, and it's not connected to anything it doesn't seem to fire up. Shouldn't the fan turn on even though it is not connected to any computer peripherals? I hooked it up first to a computer and it didn't fire up the computer, but then there is a possibility the MB is fried. However, I'm not sure about this. The computer went out in a storm, there was odor, but the MB doesn't have any burn spots anywhere. Thoughts on this would be appreciated.
Thanks, BuddyB

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nizzy1115

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Re: Bought new power supply; not sure it works

Apr 26th, 2006

No, a power supply will not turn on unless it is conected to a functioning motherboard. It is very possible that your motherboard could be damaged. They rarely show visual signs.

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buddyb

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Re: Bought new power supply; not sure it works

Apr 27th, 2006

That is exactly what I was afraid of. Thanks for your input.
BuddyB

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asameh99

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Re: Bought new power supply; not sure it works

Dec 29th, 2008

You may try to ground the green wire with the black wire of your PSU, if the fan of the PSU turns on then the PSU is ok.

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HelpingHands-IT HelpingHands-IT is offline

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Re: Bought new power supply; not sure it works

Jan 6th, 2009

With lightening strikes most system motherboards and ram fries! This is one for the insurance company I am afraid.

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josppp

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Re: Bought new power supply; not sure it works

Aug 11th, 2009

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Originally Posted by buddyb

It's a 350 watt PS. When I plug it in, and it's not connected to anything it doesn't seem to fire up. Shouldn't the fan turn on even though it is not connected to any computer peripherals? I hooked it up first to a computer and it didn't fire up the computer, but then there is a possibility the MB is fried. However, I'm not sure about this. The computer went out in a storm, there was odor, but the MB doesn't have any burn spots anywhere. Thoughts on this would be appreciated.
Thanks, BuddyB

U must connect the mobo with the PS, otherwise the MObo will not start working. So at least connect the big 22/24 something to Ur mobo.
here is a link, that may be help U. The Mobo must reckonice, that there is a power supply to switch on.
http://www.overclock.net/faqs/15751-...two-power.html