If the TV has an intermittent black screen issue, please follow the below methods to do the troubleshooting:
1. Check whether the power supply of the TV is stable.
2. Change another video to play on the TV.
3. Try to restore the TV back to the factory settings: press the Home button on the TV remote. Then select Settings Device Preferences Factory Reset.
4. If the TV has internet access, please check if there is a new version of software updated online or not.
Press the Home button on the TV remote, and select Settings Device Preferences About System update Network Update:
If the problem cannot be resolved, please feel free to call the TCL hotline for further help.