Try the following: 1. Click Start > type “regedit” and open “Registry Editor”. 2. Now follow the below path after opening registry editor :- HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/StorageDevicePolicies. 3. Now you will see “Write Protection” option. Double click on that and set the value data to ‘0’. After setting the value data to ‘0’ again try copying or formatting your sd card. After performing the above step you are still not able to format your sd card then continue to next step. Open Command Prompt and type diskpart and press Enter key. After opening diskpart type “list disk” and again press Enter button. Now type “select disk 1”.

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