Mp3

1) Click Start->Run.

2)Type regedit and hit enter.

3)Click file and click Export and give a file name and save. Just to rollback if you want.

4)Click on the plus sign next to HKEY_LOCAL_MACHINE

5)Click on the plus sign next to SYSTEM

6)Click on the plus sign next to CurrentControlSet

7)Click on the plus sign next to Control

8)Click on the plus sign next to StorageDevicePolicies

9)Write click on WriteProtect and click modify.

10)If the value data is 1 change it 0 and click ok.

11)Repeat steps 7 to 10 for ControlSet001 and ControlSet002 .

12)Close Registry editor and restart the computer.

MAKE SURE THE 'HOLD' BUTTON IS NOT ON. FLIP LOCK SWITCH BACK. WORKED LIKE A CHARM FOR ME...