If these photos have come from a Panasonic camera, then please ensure that you have not modified the files on a computer before play back on the television. To test the Image View playback, please take a test photo on the SD card using the camera and immediately insert the card into the TV to play back.
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I am putting my SD/SDHC memory card into my TV to play still photos and the pictures show blank on the Viera Image Viewer. Why is this?