Originally my pc would not POST whatsoever, then it fixed itself no clue how that happened, then it had a problem with error code "0c". Now it varies between error "53" when I have RAM installed and error "65" without RAM. Does not POST or go to bios...

PC specs: intel 3930k, Rampage IV extreme, Corsair AX 1200W, XFX 7970, Corsair vengeance 4*4GB.So for about a year my Pcs worked fine, there were problems in between and I had to replace the mobo twice, one DOA, and the other was deffective and died ...