No boot but everyrhing seems nrmal

All thinks work on starting my pc all fans work phase led all solid except 2nd led.....no boot no display only no signal message on monitor.....tried removin graphics card tried clr cmos tried removing cmos battery but didnt wor help plzz



Sys spec
Phenom ii 965
V8 cooler
Msi 785g-e53 mb
850w silent pro m
Cm 690ii advanced
Kingston 1333mhz value ram 2gbx2
Saphire hd 5830 1 gb





I was trying overclocking but seeing temp increase so put to default val but cpu vddc value did not come down from 1.432 it was red in amd overdrive