Facing TV Problems? Ask a TV Technician.
Hi, I'm Nathan.Sorry to hear that you're having trouble, but I'll do my best to help you. Please give me a few moments to review and reply.
What is the model number from the back of the tv?Does the snow go away after a bit and return to normal? How is the directv box connected to the tv?
Do you ever have any issues with any other device like dvd, games, apps, etc?
That is a possibility, but it could also be a directv box issue,
would you be able to test something else by temporarily connecting a dvd etc to the tv?
Also when you changed the cable, did you change to a different hdmi port as well?
Thank you for checking,
if you can test something else, that would help narrow it down, otherwise having the box replaced would be the next step,
and if it happens with a new box (or dvd, roku, etc) too, then it is a main board issue in the tv. If it is working ok now it may just be a glitch in the boot up, but typically with plasmas that is something that will decline further until it doesn't work at all. If it is a plasma, it would be at least 5 years old at this point, which is already past its service life, so it would not be worth repairing, it would make more sense to replace it with new LED tv that will likely cost you less than repairs.
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