Testing a possibly broken power supply.

[Ages120]

If you look at this thread It explains what happened http://forums.anandtech.com/me...8471&enterthread=y

So far I have tested everything except the CPU, and power supply. My mobo I know for sure is fizucked since I tested it with a power supply that should work. I don't have another mobo to test my cpu. I do want to test my power supply though but I don't want to fry another mother board. I have a multi meter I can use for testing but I am not sure how to go about doing that.

 

[oneshot47]

You have to short the wires to let it power on first. This can be done by crossing the green wire with any black wire on the 20 pin connector. I use a bent paper clip. Then use the multimeter to check the voltages on various rails. Connect the positive probe on the mm to a colored wire and the negative to any black wire on the rail. You can look up the color codes for the 20 pin, but the important ones are yellow=12v, red=5v, and orange=3.3v. Ideally these readings should be within 5% if its alright. You wont be able to check the amps though, since most mm's cant handle as much current as a psu puts out.