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BrianO
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Re: Please help to identify the problem!


kenyee wrote: Bad memory card would be my guess if it\'s not a bad camera...


visualist wrote: Yepp, most certainly a memory / conversion problem. Though with both camera or card, a restart / format should solve the problem.

RustyBug wrote: You say that with a degree of certainty ... based on ... how can you tell? How does a reformat fix it/prevent it in the future?

Unless the shot was made under a green light, it\'s almost certain that the problem was the red and blue channels not being recorded properly. If all the shots were that way, it could be a sensor issue, but if it\'s only one in a hundred it\'s more likely somewhere in the I/O stream. Previous experience suggests to me that it\'s a card fault, although it could be in the camera.

Reformatting the card sometimes cures recording issues by unscrambling the file allocation structure. (When the card is scrambled, the three channels may not record to the same area, and one or more channel can get \"lost\" in the mix.) The more photos that have been individually deleted -- as opposed to formatting the whore card -- the more likely this is to happen, although it\'s still pretty rare in my experience. (I\'ve only had one photo not record properly, and in that case the top half was fine but the bottom was scrambled. My uncle, though, had this exact issue happen to him, and data recovery software was only able to restore a few of them. He reformatted the card, and no more problems.)



Feb 21, 2013 at 06:10 PM





  Previous versions of BrianO's message #11365418 « Please help to identify the problem! »