Ive read alot about this problem but im not as stuck as others. When I set ssd to boot 1 in bios and restart i get the black screen with underscore. Go Back to bios and set my hdd to boot 1 and restart and it brings up a boot manager screen. I select advanced options and go to start windows normally and it boots. My ssd has win 7 64 bit and i did a full format of my hdd after i installed windows to my ssd so not sure why setting it to hdd would boot windows unless theres somehow old folders still on there. Used corsair toolbox and updated firmware so i know thats good and as far as i know windows is up to date. I can get into windows no problem and the only other thing i can think of is that my windows wont activate cuz ive reinstalled it or used key too many times. Any thoughts on this?