first click on the switch on the side of the card, put the card in your computer, when you can access it(the card), right click on it and uncheck all the boxs at the bottom of the dialog box, especially the one that says read only
first click on the switch on the side of the card, put the card in your computer, when you can access it(the card), right click on it and uncheck all the boxs at the bottom of the dialog box, especially the one that says read only