Why my pc’s is shut down again and again but change of the mother board it should happen to us. But after change of the motherboard this thing is happen to in my pc. Sometimes it working like normal and sometimes it restart again and again with anything done on pc. I don’t know what is happening? I tried to fixed the plug perfectly and then also it happen is there any shorting problem or some another problem. And all the hardware parts are I recently change so it should not to happen.