Usb flash wont work on any computer

[cuezman]

Hello,
my usb flash drive is not viscible in any computer.it makes the ding dong sound but its not accessible in windows explorer.

 

[hang-the-9]

If you can see the drive letter but can't get to the files, try to format it (you'll lose all data on it then). If you can't even see the drive letter, the drive is bad.