Question about Canon PowerShot A75 Digital Camera
Okey, this can be tricky, but it worked for me.
I have Canon Ixus 60 and Kingston SD 1gb memory card.
After loading set of images on my laptop and putting the card back in to camera, screen displayed "Card Locked!" message.
I did everything to check the common flaws, but still the same message occured.
1 paper clip
The socket for memory card has this tiny detector for sensoring if the card is locked or not (same side as the lock switch on the MC). For some reason it was sticking out from the side. So, little fiddling with paper clip to put the detector back in and another try to put the camera on, everything worked out just fine.
Posted on Jun 30, 2009
The following similar to guru_dev's recommendation, but would instead recommend using a non-metallic prod.
If you've reset the card's locking slide switch, and it's still showing locked, it's likely that the locking switch inside the camera's card slot is stuck. If you look inside the slot on the side of the slot where the SD card slide switch would be, you'll see a glint of gold color on the side. This is the camera's lock/unlock switch. The other glint's of gold that you may see at the far end of the slot are the reader's connectors (ignore those).
Somehow, the locking switch is making contact and has become stuck in the locked position (a single grain of sand can jam it there). With a plastic toothpick, or other skinny NON-METALLIC item, tap and gently push against this switch to see if you can jar open the contact to its normal unlocked position. Also try blowing compressed air at it, to clear out any gunk that may have worked its way in there, jamming it closed. Occasionally, reinsert the SD card to see if the issue has been corrected.
If repeated tries fail, it may be time to consider opening the camera to force open this switch (not recommended unless you have some familiarity with electronics). In this case please see the following (xscrewdriver, hope you don't mind me referencing your blog):
Posted on Jul 11, 2009
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Posted on Jan 02, 2017
SOURCE: screen reads SD CARD locked
I have 17 of these cameras and for some reason after a while some of them develop this problem. It is very frustrating but I can usually get them to work by taking disk out, turning on camera, put in auto mode, wait for delay to switch to ready then put card in. I works most of the time and if not turn it off and keep trying. Some kind of glitch in the computer I guess. Hope this helps.
Posted on Nov 28, 2008
Tips for a great answer:
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Did you try a plain SD card? Some cameras will not read the SDHC cards...plain SD cards are marked as such and will not be more then 2 GB cards...
Here is a tip that I wrote about SD Cards and how to unlock and lock SD Cards.
If you are getting a memory card locked message then check this out.
How to Unlock SD Card
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