How do you verify a power supply is working correctly

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cdavies

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I need to replace the PSU in my computer. This is my first time buying and installing a PSU, and I've read in various reviews about PSUs being faulty and frying motherboards, etc.

What is the best way to test that a PSU is working before plugging it into a motherboard, so that you can ensure the safety of your other components?
 
Solution
clutchc
Generally a new PSU has been pre-tested with much more sophisticated instruments than would be available to the average user. But it you want to test it to be sure it is putting out the correct voltages, you can use a PSU tester. http://www.newegg.com/Product/Product.aspx?Item=N82E16899705003&cm_re=psu_tester-_-99-705-003-_-Product

Or short the green and any black wire on the 24 pin connector to turn it on and then read the voltages with a VOM meter.
http://forum.wegotserved.com/uploads/monthly_12_2008/post-996-1230072410.png
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clutchc

clutchc

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Generally a new PSU has been pre-tested with much more sophisticated instruments than would be available to the average user. But it you want to test it to be sure it is putting out the correct voltages, you can use a PSU tester. http://www.newegg.com/Product/Product.aspx?Item=N82E16899705003&cm_re=psu_tester-_-99-705-003-_-Product

Or short the green and any black wire on the 24 pin connector to turn it on and then read the voltages with a VOM meter.
http://forum.wegotserved.com/uploads/monthly_12_2008/post-996-1230072410.png
 
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