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testing a potentially broken power supply

Posted on 2011-03-19
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Last Modified: 2012-05-11
My Server was ruinning the other day and went "Pop!" so I shut it of immediately. Lucky I was home to hear it...

Now I have removed the power supply and ned to verfiy if it's failed or working fine.

Can I do that?

I plugged it in but the fan (on the power supply) did not come on. Should it have?

What steps can I follow to verify that I need a new one or thhat the one I have is okay and somethig else popped.

Thanks,
newbieweb

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Question by:newbieweb
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Accepted Solution

by:
getperkin2 earned 300 total points
ID: 35172520
The fan should be spinning if the power supply is working. If you have access to a voltmeter you can test the output voltages. I would bet though that the power supply is bad if the fan is not working.
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Assisted Solution

by:systan
systan earned 200 total points
ID: 35172745
Remove Power Supply from the mainBoard or CpuCase;
Look at the colors on the main power supply output cable wires.
Prepare an object that can be bent, like open electrical wire.
Insert other point wire to color Green of the mainboard cable wire.
Insert other point wire to color any_Black of the mainboard cable wire
Turn on Power Supply, incase the fan won't blow?, means Power Supply is Dead.
But if the fan will blow, it means your power supply is good basically.

Then if you pluggin again the Power Supply in the mainBoard with devices, then it didn't start again?,
means you Power supply has lost capacity to charge the power transistors, You have to buy another one.

Good Luck
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Author Closing Comment

by:newbieweb
ID: 35172761
Fan does not come on. Thanks.
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