Hi, After purchasing and using my new 3tb hard drive I restarted my computer to find it boot to Windows 8/2012 Server and It was telling me that windows 2012 server was the only OS I had installed. I don't know how this has happened but have tried removing the external drive before boot and I get the same thing. I also for some reason cannot use the keyboard during boot. It's a USB keyboard and only works after POST, so it starts working on the "SELECT OS" black windows screen. Thanks