Hello, I'm trying to install windows 7 but when I choose the drive to install it on it says "windows cannot be installed to this disk. This computers hardware may not support booting to this disk. Ensure that the disk's controller is enabled in the computer's bios menu." Next to the drive it also says unallocated but I plugged the drive into another computer and it isnt unallocated, the drive has one partition which is the size of the entire drive. I've tried updating the bios but the issue was not corrected. Online people with the same problem just had to set the sata controller to AHCI rather than IDE but mine is allready set to AHCI (the bios is set to default).