locked memory card

[Nancye]

I have a 32 MMC Plus Canon high speed memory card that my computer won't read and my camera says the card is locked.  I have looked all over it.  There is no slider on the card.  How can I unlock it?

[Jackburns1]

how do I unlock my memory card on my power shot SD1300 camera

[Jackburns1]

how do I unlock the memory card on my cannon sd1300 sd power shot

[jrhoffman75]