What can I do if there is a bright line on the top of the TV?

If there is a bright light on the top of the TV, please follow the below methods to do the troubleshooting:

  1. Change to play another video to check whether there is a bright light on the top of the TV.
  2. If the bright light stays on the top of the TV no matter which videos you play, it means that the TV has a bright leakage, so please call the TCL hotline for further help.