I just got a Samsung 830 256 GB SSD ($75 new in box!) to add as a boot drive on my Asus G75VX (came with a 1 TB Seagate drive). I successfully cloned my current hard drive to the SSD. Windows 8 sees the SSD and all its content, my BIOS sees the SSD under the SATA options, but the BIOS will not let me select the SSD as a boot drive no matter what I try. I have tried disabling secure boot, I have tried just the SSD in the laptop, I have tried both drives in, I have tired swapping which drive bay the drives are in. I'm not in IDE or RAID mode (can't remember the name of the third option, but that's the one I'm in). I'm completely stuck.