Writing to SD card

[art4940]

I get "Card write protected " when I try to transfer potographs to SD card in my computer, Card isunlocked and I have no problem in Camera or reading the card in the computer.
Any ideas to correct problem?

 

[nhasian]

USB Flash Drive 101

refer to the section titled:

"My USB Flash device is write protected

How to remove a write protection from your USB memory Stick if there is no Write protection ON or OFF button or tab: "