I usually do all my own work, but this has never happened to me, and google so far has been less than helpful. So I went to adjust the OC on the main pc in my sig, and it immediately rebooted and failed. After a few more failures I decided to flash the bios (it was still OG) after flashing it wouldn't post at all, tried the emergency usb flash port, still nothing. The VGA LED was red, removed my titan and it still failed to post. Hit the mem test button and it posted, but would not boot. removed the RAM and installed them one by one, and it booted each time. Now the hardware is back to normal, but the system still won't overclock, and now I experience stuttering and artifact on the desktop. Haven't been able to get to a game yet because nothing will really open (at least easily). My usual suspect is the RAM, but again I tried removing them one by one, and then testing each one, the problem persists regardless of RAM configuration. Any thoughts? Motherboard is still under warranty, but I'll miss Christmas gaming as its Asus RMA!