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psu testing?

post #1 of 4
Thread Starter 
Ok well i think my friend has a bum psu, Pieced him a computer together outa old parts but its not posting. Mobo is getting power and so are other rails but the only conclusion im coming to is the 8pin rail for CPU power is getting nothing. Can i test the rail with a volt meter without shocking myself or i guess it would be better asked HOW do i go about testing it properly. (i have already tried different motherboards so don't ask)
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post #2 of 4
Thread Starter 
anyone?
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post #3 of 4
If you have a digital multimeter then that would be the way to do it. Plug the DMM's leads into the red (+5VDC) or yellow (+12VDC) wire on a Molex connector or an orange wire (+3.3VDC) on the ATX connector.
post #4 of 4
Quote:
Originally Posted by Shub View Post
If you have a digital multimeter then that would be the way to do it. Plug the DMM's leads into the red (+5VDC) or yellow (+12VDC) wire on a Molex connector or an orange wire (+3.3VDC) on the ATX connector.
Should add that you need to have one lead on the black black wire at all times while measuring between the wires or one lead on true ground true ground.

You could always run OCCT. It has a PSU setting that will push a PSU pretty hard.
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