8gb micro sd memory card says empty with nothing on it bt it wont let me add anything saying not enough space? i tried to reformat and it cleans the card but still does not allow me to add from computer useing usb card any help?
Write protected? Some have a small switch for that. Or run an error check on it: right click on it in explorer, goto properties / tools. There is a chance that the card is dead. The micro SDs are not very reliable.