One picture almost certainly going on to internal memory - not card. Try cleaning card contacts with a soft lint free cloth. Also if Format option available from menu try formatting card. Any images previously stored will be deleted. If no luck you could have duff card. Can you beg, buy, borrow another card to check.
when you turn on the camera it dosent focus and tells me to turn off power and turn on again...keeps...
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when you turn on the camera it dosent focus and tells me to turn off power and turn on again...keeps telling me to do it over and over..??? sony cybershot dsc-w150