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Occasional Contributor
Posts: 5
Registered: ‎09-07-2014

locked memory card

[ Edited ]

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?

Respected Contributor
Posts: 1,460
Registered: ‎03-01-2014

Re: locked memory card

If it is not the locl/unlock tab on the card itself then try wiping the contacts clean on the card and blowing out the card slot in the camera or vacumning it out the best you can.

Can you access it from your computer directly? If so then you probably did get something in your camera card slot

Also can you see it in your menu in the camera?  to ry reformating it ?..be sure you have all your data off it first.

Occasional Contributor
Posts: 5
Registered: ‎09-07-2014

Re: locked memory card

Hi, John,

No, the computer won't read it at all.  I've tried some other cards and they are fine, so I know it's not the memory card slot. 

When I go to the camera menu, the "format" command is greyed out--it won't even do that.

I'll keep trying.  Thank you.

Nancye

VIP
Posts: 8,285
Registered: ‎11-13-2012

Re: locked memory card

Perhaps your computer card reader is not compatible with MMC?
John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, MX472, LR Classic
Occasional Contributor
Posts: 5
Registered: ‎09-07-2014

Re: locked memory card

Seems like it might have read it in the past.  I just can't remember what is on this particular card.  I'm charging up my daughter's Nikon camera that is newer than my computer.  I'll try it in there.  If it doesn't work, I'll just consider it a lost cause (and card).  It's just strange that I have another Canon 16 GB card that also doesn't have the slider on it.  Is that just Canon specific?  All my other cards--Sandisk and Lexar--have the slider.  Oh well.

Thanks for y'all's input.  Just kind of frustrating not being able to access the info on the cards.

Nancye

VIP
Posts: 8,285
Registered: ‎11-13-2012

Re: locked memory card

MMC is an older type of card. SD cards have the slider.
John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, MX472, LR Classic
Occasional Contributor
Posts: 5
Registered: ‎09-07-2014

Re: locked memory card

Ah, I did not know that.  I did try it in the SD slot on my 7 year old printer and it came up as a memory card error.  I will try it in an older computer and camera and see what I come up with.  Thanks for that info.

Occasional Contributor
Posts: 5
Registered: ‎09-07-2014

Re: locked memory card

Nothing worked.  I tossed it.  Thanks for eveyone's replies.

New Contributor
Posts: 2
Registered: ‎09-14-2021

Re: locked memory card

how do I unlock my memory card on my power shot SD1300 camera
New Contributor
Posts: 2
Registered: ‎09-14-2021

Re: locked memory card

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

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