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Dots are twinkling in certain part of the screen.

Troubleshooting

Dots are twinkling in certain part of the screen.


Symptom

Spot appears on some part of the screen or the spot twinkles.

 

How to fix

1. If the product has picture test or USB function, check if the same symptom occurs on the same area when using this function.

2. If the symptom occurs only when external device or set-top box is connected, check the condition of the device. 

3. If the symptom occurs only at certain channel or broadcasting program, it may be caused by the condition of cable company’s production and broadcasting.            

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