Videomaker – Learn video production and editing, camera reviews › Forums › Cameras and Camcorders › Consumer Camcorders › Question on the Panasonic HC-V770 › I had this same issue and
I had this same issue and thought my v770 was toast. Would look laggy and not actually record. The fix was to format the sd card using the built in camcorder software. Now it’s been working solid for over a month. No issues. Backup your files before formatting.