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New MB and PS not working

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glaedstone20

Registered
Joined
Jan 21, 2016
I have Gigabyte GA-78LMT-USB3 MB and a Rosewill 720 watt power supply. The MB Manuel states : The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start. I had the cpu cooler fan plugged in and got the wrong connector at first and when I did find the correct connector the ps would not start. How can I troubleshoot this? I have ohm meter.
 
OP
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glaedstone20

Registered
Joined
Jan 21, 2016
Sorry Atminside, the links give error messages. Thanks though. It will be a few days before I can get to my multi-meter anyway as we are snowed in. 12 inches now and 18 to 24 inches possible.