TL;DR - every external HDD gets "the volume /dev/rdisk[X]s1 [with UUID etc] was found to be corrupt and needs to be repaired" (it doesn't repair it). Even though those disks were fully erased and ...

I have a portable hard disk which I use to take all my music to work. Over the past few months I noticed that sometimes the latest batch of mp3s I've copied across are missing when I plug the disk in ...

So you’re dealing with a corrupt USB flash drive. You’ve lost your files; you can’t access them, or when you plug the drive into your PC it’s not even recognized. Understandably you’d be forgiven for ...

When you see the error while copying, first check if the device is properly connected and restart your PC. Then, follow the fixes below that can resolve the issue ...