EXT hardsk not acessible

[darwinvincent]

hi guys please help after insert my ext disk I checked for errors and while doing it my desktop lose power and got of now I cant enter my harddisk its asking to format but I have many files in it which I cant format plz help

 

[stillblue]

http://www.cgsecurity.org/wiki/TestDisk

with testdisk you should be able to copy your important files elsewhere. Then try chkdsk /f on your external drive.
Easier would be to download a copy of linux, ubuntu or mint, and burn to a dvd and use that to open the disk for copying.