Memory Card is Lock

My Camera is D3200 , and when i insert a SD card, it Says Memory Card is Lock, slide to write position but my card is not locked. i removed it and check my card but is not locked. I just move it to write the small bar on sd card but nothing change, i just think that the problem is in my card so i change it but the same problem error. memory card is lock. Please help . i need to used my camera. Thanks a lot!

You may have broken the sensor in the card slot that tells it if it is locked. You may need to send it back to Nikon to get it repaired.

Thanks for the adviced! i think i will ! :encouragement: