My Sony DSC-P92 appears to operate correctly, but at one point simply does not record the photo. Previous photos show on the display; when taking a new photo, the sound works, the shutter seems to work, and the lens cap has retracted properly. However, at playback, the picture shows totally black (no detail whatsoever). The lens and the camera housing show no clue to the black photos. The camera was not dropped or exposed to water.
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