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My VIZIO TV model V555-H1 that has horizontal and vertical lines on the screen. Now its stuck in service mode color test? How can I get it out of this color changing mode?

My VIZIO model V555-H1 has horizontal and vertical lines on the screen. Its been kinda flickering also. Seems with some research that this is most likely due to a problem with the T-CON board. Its also doing this with nothing connected to the tv except the power cord. Some of the things I tried was. -Did a soft and hard reboot on the Tv. -Updated to the latest firmware -Took the panel off the back and tried to check the ribbon cables for the T-con board. Made sure they were plugged back in tight and cleaned connections. None of this seemed to have fixed my problem. But now after doing that it seems my TV has gotten stuck in a (service mode color test). Its flashing red, blue, green, white, & black. I have tried to do a reboot several times with the remote and power button on the back of the tv. How can I get the Tv out of this service mode color test? And If I can get it back do you think its just the T-con board that I will need to order? Thanks, Derek

Posted by Derek Gros on

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vince

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  • Vizio Master
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Try a forced reboot...disconnect the power cord either from the back of the TV or its outlet, at your convenience. Then, press and hold the power button on the TV for 3-5 seconds. Finally, plug the cord back in and turn on the TV.

Best to you.

Posted on Dec 01, 2022

Testimonial: "Yes I tried that several times and no luck. Thanks"

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