Whoa, this is a new one. The first thing I would do is reset the BIOS on your computer, here's a couple of ways you can do that for a gigabyte motherboard. That should wake your computer back up to reality, if that doesn't work then get a older keyboard, plug that bad boy in and spam everything on the top row until you can get back into the bios (start from ESC, work your way to Delete), one key at a time between reboots though. If that doesn't work then if Vista will work with us then we could use it to get back into Windows, just before you do anything in Vista copy over anything on the other hard drive that you don't want too lose. Good luck and keep us posted if anything comes up