I put the card in my PC, copy out what I don't want to lose then format the card. I then put the card into the camera and format the card in the camera.
Bought a new DMC XS1. Works fine without micro SDHC but when card is put something unusual happens. It goes in a state of trance. Menu operate and shifts automatically. Sometimes the timer menu opens and it keeps selecting options without pressing any buttons. The camera hangs. When card is removed, it becomes normal. Without card can take only 15 photos. What might be the problem in it ???