This video clearly shows our VIZIO M3D550KDE television problem is getting progressively worse. We have been in contact with VIZIO support – I sent them the requested pictures but have not heard back. Crazy schedule hasn’t offered us any time to call VIZIO again.
Video clearly shows that a tap on the back of the television resolves the problem. I don’t think this is something you should have to do with a new TV. It is clear that the problem is not signal related. The issue is clearly hardware related – something isn’t working right inside the television.
My tap sounded much harder than it was. A light tap normally resolves the issue.
This is a good TV – especially for what we paid – when it works.
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A LED-backlit LCD display is a flat panel display which uses LED backlighting instead of the cold cathode fluorescent (CCFL) backlighting used by most other LCDs.
LED-backlit LCD display – Wikipedia