I just got a problem where my pc says "Reboot and Select proper boot device", so i googled a bit and found the solution, and that is to change the priority launch on BIOS, so i tried that but my brother turned the computer off when i tried that and he reinstalls windows on the issuing computer (what a jerk) and that did not work. So i retry my method and it worked, but after the windows finished loading the computer immediately restarts itself and undectecting my hard drive on bios compeletely, i googled again and it looks like i just have to 'reseat' it. Got it working again, but it keeps doing the same thing. Restarting, unloading hard drive from BIOS, i reseat it again, it unloads hard drive from BIOS again. I need your help!!! 
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