Unprotecting pictures how to unprotect pictures

Unprotect them the same way you protected them. See pages 134-137 of the manual at http://gdlp01.c-wss.com/gds/5/0300004755/01/PSELPH100HS_IXUS115HS_CUG_EN_02.pdf

The protect function allows a user to protect a picture from accidental deletion. To unprotect a picture on your camera, scroll to the protected picture that you want to delete, then press the Menu button (the button to the right of the Play button.) Scroll down the menu and you should come to an option that allows you to Protect/Unprotect the picture. Since your picture is currently protected, deselect that option. You should then be able to delete the picture normally.

Alternatively, you could also format the memory card, however this deletes ALL photos and data you have on the memory card. If you are trying to completely clear the memory, this is the best way. After turning on your camera, simply press the Menu button, scroll to Setup, then scroll down to Format. Select Format, it will ask you if you want to format the memory card, or the camera's built-in memory. Format whichever one you want to clear, if you are using a memory card then your pictures are stored on the memory card. It will take a few seconds to format.

Hope this helps.

SD cards have a slide switch along one edge. The position farthest from the metal contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card.

While viewing the particular locked photo, press the Menu button and select Lock/Unlock to toggle. Your camera's menu might also call it Protect/Unprotect. Hope this helps!

It sounds as if the card was not formatted for the camera before it was put to use. My suggestion is that you attempt to download the images that you do have to the computer, then format the memory card. Always format a new card and after each time you download pictures from the card to the computer.

To unprotect a picture, while viewing the picture press the protect button (marked with a key) to the right of the viewfinder. To delete the picture, press the delete button (marked with a trashcan) below the multiselector.

You will have to unprotect them- if you goto the details of the picture there will be an option to unprotect

Go to your pictures click menu and then you'll see a little key symbol and and above it it should say unprotect if not than go to the individual picture than is protected and click the key symbol and it should say unprotect/

On most sd cards there is a physical (tiny) sliding switch on the memory card. Here is a picture of a standard SD card. On the left you can see the gray switch in the unlocked position. Hope that helps. -WN
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If I understand correctly what your asking what is the brand and size of the memory card. If I were to take a stab at it right now I would assume there is a lock/unlock switch on the card. Have you had this problem with the card before?
Good luck,
Lee