|Might try restore point too. |
Find out how your computer expects you to recover it. See owners manual It may be that you have to make disks, buy disks or use a F key at boot.
But johnr says you can can borrow a Vista dvd to do some repairs as long as you don't just install with it. A windows 7 even works for some repairs.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.