And once you booted as Rich says, you could run Command Prompt and use the same commands as I suggested for the Run box. That works too. Just make sure you type it in exactly as posted. Command prompt is very unforgiving with typos.
Got it to system restore from the DVD. Tried to restore it to yesterday. System Error, Did not work. It suggested I try to restore to an earlier date. I am restoing to day before yesterday now. I'll let you know.