1. If the current signal source is USB, please confirm whether there is a similar problem when playing the corresponding multimedia file(s) on the PC. If yes, the problem is due to the multimedia file(s); otherwise, please contact the local TCL after-sales service point directly, we will help you solve the problem.
2. If the current signal source is TV, please confirm whether there is a similar problem when playing other programs. If there is no any problem, this problem is due to the programs.",
