I bought an old toshiba laptop online to play with, and cannot get it to load an operating system. I have tryed two different hard drives and two different operating systems. It came with a formatted 40 gig toshiba hard drive, and I had a 30 gig spare to try. The unit will load Vista business up untill the time for a restart---- then it just hangs. I have heard of computers that you cannot load operating systems on --- have I found one one of them?