pc wont boot

[John Davies]

hi my pc was working the it stopped working when turned it bk on all fans power up cpu h100 turns on red the goes white the gpu fan cums on then after off every few seconds i got power to usbs keyboard light turn on then off

 

[imzmii]

Can you explain more? I couldn't get the problem

 

[John Davies]

Yes sorry pc not posting but all fans sping