"the card is locked"

It si problem of ccd imager chip that is defective in your camera and need to be replaced by camera technician because camera will take apart.
Hope this will help.

Try to take a picture and then download to PC. If your picture is fine, then most probably, your LCD screen is bad. You need to replace it. Repair cost through retailers may be expensive. You can do it yourself by buying a used camera (one sold for parts, with good LCD),through ebay. (EBAY.com). Open the camera by removing 5-6 screws. You can get a small screwdriver set for $1 from dollar store. Onc ethe case is open LCD is directly accessible. Remove the LCD by first removing the LCD connecting cable from the connector. There is a small pressure plate (locking mechanism) in the connnector. Slowly lift the pressure plate and pull out the connector lead. Replace the LCD. The following sites give good instructions on replacing LCD. Look at those sites before you do it.
http://www.myfixtips.com/blog/digital-camera/how-to-replace-lcd-screen-on-canon-sd870is-215.htm

Is your means that: you can't see some of your picture from your camera screen? I have met this problem before, this is because you have do some a action for your image when your see it on your PC, such as flip... The camera can't read the pictures edited by the other software...So your picture haven't miss...they are on your card,,and you can moved them to your PC and you can see them all.
Wish helpful!

Hello

Download THIS.

Download this free tool and run it on you card and it should be able to recover all pictures provided that you have not used the card since formatting. I recommend using a card reader for this.

After downloading and running (no installation required) , simply select deep scan and your memory card and it will start scanning, To recover a found file , right click it and select save.

Please note that the file names will probably not be available and also that some of the properties of the photo like date taken could be lost.

Please let me know when you have recovered your pictures safely or contact me if you need further assistance.

Regards
Andrea

Download any pictures to your computer using a card reader if necessary. With no card in the camera, go into the menu and find "reset"...follow the on-screen instructions. Then, making sure the slide switch on the side of the card is in the unlocked position, insert the card and this time, find "format" in the menu and follow the on-screen instructions.

I'm assuming the slide switch on the side of the card is in the correct position. In order for a card to work in a particular camera, it must first be formatted in that camera. This completely erases it so download any pictures still on it to your computer first.

lol, ok...The memory card will only go in one way. But check the little white switch on the side of the memory card and make sure it is NOT in the locked position. Once this is taken care of reinstall the memory card. Now in you options/menu screen you can select on there where you want your pictures to be stored...Device / Memory / Auto. You can either put it on Memory or Auto (if you have this). In addition, you may need to format your new memory card. This is also in your menu screen to Format Memory Card. Go ahead and do this. But be forwarned...if you do this when you have pictures on your card, it will erase all of your pictures completely. If you do those things, everything should work fine. You don't need a full charge for your camera to work, but if you have rechargable batteries, it is recommended to fully charge your camera before use. If you are using standard AA batteries this isn't necessary. Oh, and when your memory card is in the camera you should see a little icon on your LCD screen that looks like a mini memory card. This is an indicator that the camera recognizes you have the memory card in the camera and along with that will be a counter...ie 4/1200. The first number is the amount of pictures taken on the card currently and the second number is the total possible pictures you can take on the card before it is full.

Any further questions
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/matthew_d24b835e574ef6ca

Use a separate card reader to download your pictures.

Hi,
There is a lock on the SD card
Check this is good.

Regards
Richard.

I have The same problem with my S6, and was wondering if you found a solution? Ive done everything but contact Nikon or a camera shop.