Assuming your keyboard works (and your mouse doesn't) hit the windows key (next to alt) and use the arrow keys to get to the run command button, and type in rstui.exe. If you are on Windows 7, hit the windows key and type that in the search box. That will execute System Restore. You can navigate through all the options using your keyboard.
I'd love to know what key combo you pressed to wipe out those ports.
Q "Why do you like Duke, you didn't even go there." A "Because my art school didn't have a basketball team."