1. Go to Start – type regedit.
2. Right click regedit and choose Run as Administration.
3. In registry, navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
4. If StorageDevicePolicies is not listed, proceed with the next step. Otherwise, change “WriteProtect” data from 1 to 0.
5. To create StorageDevicePolicies in registry, right-click in the blank space in the Control folder. Select New, and then Key. Label it StorageDevicePolicies without spaces, exactly as shown.
6. Open the new StorageDevicePolicies folder, then right-click in a blank space. Select New, and then DWORD (32-bit) value. Name the new file WriteProtect. Double-click WriteProtect to open it, and put 0 in the value field. Press OK.
Note: You must type each entry exactly, including capitalization, otherwise the key will not work.
7. Reboot the PC.
Should you have one, click here