ok so about 3 weeks ago i built a pc whit a 955 8gb ram and ASUS M4A89GTD PRO/USB3 mb. all has been working fine up it about ab week ago, then to get it to boot i would have have to unplug my pus then plug it back in and it would work(the psu is good already checked it). well this morning i go to turn it on and all i get is a solid red light next to my ram. i have tried taking all 4 sticks out using one at a time on every slot and same thing, tried clearing coms. nothing seams to work now. is there any way to tell if its the board of cpu?