Well, I just finished double checking all the cables and they are all securely plugged in. I haven't updated my software recently. I kept getting this A2 error code "IDE Detect" and the solid red light next to the BOOT Device Led. I've been reading a bunch of threads stating that the problem is boot drive. I got the Samsung SSD 850 EVO and planned on reinstalling windows 7 home premium 64bit.
I have yet to try a different psu. I just ordered a Cooler Master Silent Pro Gold 1200W 80 PLUS to test that theory.
That is actually not that good of a PSU. A Seasonic X1050G or a EVGA Supernova P2 would be a better choice.
As far as Boot device LED goes, that could point to an HD or SSD failure. Can you get your system to POST after removing the HD/SSD?