Hard disk corrupt (i assume index)

ktpistonhead Posts 1 Registration date Saturday March 30, 2013 Status Member Last seen March 30, 2013 - Mar 30, 2013 at 03:25 PM
i recently bought a 1 tb hard disk, it was working fine till one day when i could not see any of the folders in it.
though when i connect it to my tv it shows all the folders inside a folder named "?".
properties show, its correct date usage.
how do i fix this?