Tip & How-To about Cameras
It is not always obvious that memory cards have a means of physically protecting them, so nothing more can be written, or deleted. When you switch on the camera with a card in place which is 'locked' in this way, it will be reported on the screen but luckily it is easy to put things right.
The most popular type of card is currently SD or SDHC which has a tiny tag at the top on the left side when facing the label, but other types of card have similar sliding tags which act like a switch to 'lock' the card.
When handling a card, or when fitting it to the camera, it is all too easy for the tag to be moved by mistake into the locked position.
A small illustration indicates the locked position so you can move it carefully in the unlocked direction. No force is needed so, if it is hard to move, have another look to see how it works before doing any damage.
'MEMORY CARD ERROR/CARD UNRECOGNISED'
If there is a message like this or e.g. 'this card cannot be used', or if the images appear scratched or damaged when viewed on the screen, the files on the card have probably become damaged or disorganised and the best way to proceed is to format the card, see below. If there are images on the card you want to keep they should be saved to another medium, or if you cannot do this, or if images have apparently disappeared, they can probably be recovered, see below.
Even if you have wiped a card clean by formatting, the images can probably be recovered. There are many programs available to do this, free to download and use. e.g.:-
If the card cannot be recognised or shows an error then it can usually be formatted in the camera: In Playback Mode, Menu> Setup >Format. If this does not work then you can format the card in PC by right clicking its icon in My Computer to bring up the option. Then format again in the camera to ensure full compatibility.
Posted by Chris6 on
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