Win7 system MP3 music import to the U disk prompt disk is write protected how to do?

What should I do if the win7 system MP3 music is imported to the U disk and the disk is protected?

1. Press “Win+R” to call out the operation, enter “regedit” in the box, and press Enter;

2. Expand in the registry. ; HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlStorageDevicePolicies”;

3, then double-click on the right side of the registry to open the Edit page of "WriteProtect", and change the key value to “0”. If there is no value change, then create a new “dword (32-bit value) under the “StorageDevicePolicies” option, and change the name of the value to “WriteProtect”, and the value will be changed to “0”0”

4, then right click on the U disk drive letter in the computer, select properties;

5, in the property interface switch to “ hardware & rdquo; select card, then click below <;Properties>;

6. Click on the "Policy" tab in the Properties window and select “Better Performance> under "Delete Policy".