I'm not sure what your post has to do with the original poster's question, you should have started your own thread.
You have the current version of iTunes installed on your computer and it's open ?
Resetting a disabled device : http://support.apple.com/kb/HT1212
Device not showing in iTunes on a PC : http://support.apple.com/kb/TS1538
Device not showing in iTunes on a PC : http://support.apple.com/kb/TS1591