So i shutdown my computer regularly in the evening and today morning i tried to power it on and the computer start like normal and immediately stop i tried to power it again but nothing happened no fans spinning no led light nothing , i tried to make sure it is not a button problem and it wasnt which i had year ago , and i think the psu i working because the things i plug in to the case ( headphones light ) still working i dont know if thats means the psu is good