I have an asus p8p67 le motherboard. i5 2500k. 8 gb of ram, only 4gb shows up in bios. Computer boots into bios. Freezes when installing windows. I have tried a windows 7 and windows 10 iso. I tried 2 different windows 10 iso. I have tried rufus, and wintoflash. Neither has worked. Computer was a used unit that was previously used (and worked). I am using an intel 128 gb ssd, and a 1 tb harddrive. I also tried installing windows on ssd on different computer and it worked, however when I put it into my new one it bluescreened, after that it showed a windows recovery window, but when I click on recover it freezes. All of the installs will freeze after I click next, and then install windows. The usb boot drives activity light stops. I am using a usb bootable drive. I have also tried multiple graphics cards. But could it be the ram?