my o.s or driver got corrupted..itsnt booting..only one drive in my lap..since i need my date i couldnt format and reinstall os...i have one driver c.d..i tried to repair but invain..its not bootin thro safe mode too..i inserted xp cd and tried to repair os..i went to cmd prompt ..then in cmd i tried to copy data from c: to my pen drive..but its says no access ..pls any suggestion to copy my data ..can i boot xp thro any ex.hard disk and is t possible to copy data after that???