OK, so you can't see a POST result? If you can't even get into bios, it forces the question of did yu build it using an ESD strap? Are you in the middle of winter (the driest part of the year) with wool socks running around on carpet before you touch this stuff? In other words, did you take ESD precautions? How did you ground yourself prior to touching any ESD EQ? If you take your old stuff and put it back together, would it still work?
Does your MB support SSD?