If the video has horizontal/vertical/cross lines/bars, the problem is possibly caused by the panel of the TV. Please kindly call the TCL hotline for instant support.
These cookies are essential for the website to function properly and cannot be switched off in our cookie settings. They are usually set in response to actions you take, such as setting your privacy preferences, logging in, or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the website may not work properly.