Quote Originally Posted by SylentEcho View Post
You need to format your card. Next time you load stuff on to your card, just keep a backup of it on he PC.
Usually that would fix the corruption but this time his computer won't recognize the card at all so therefore he can't reformat it.

I have heard that un-installing your usb reader in your device manager then reinstalling them may work but I have had a 1gig MicroSD die on me. I took it back to store though.