try find a picture of the same mobo revision to check the part of it
id also check all the PS fuses on the motherboard check nuthing been blown
also check again everything for shorts or bad joints
this happens with all modbo 5 after fresh install
u gotta press triangle and circle on boot up and change boot type from mass to auto
thatll get u booted up
ull also need to replace that cap ill try find out the value off it