When I try and repair my external hard drives (I have two corrupt now some how both I think from improperly ejecting from the same machine), I get this message:
Disk Utility can’t repair this disk. Back up as many of your files as possible, ?reformat the disk, and restore your backed-up files.
Do I just have to reformat them now? Whats the next step? Both where being used as backups for the most part with a few files. Thank you for your time.