There can be several reasons why there is no sound on your TV, and here are some of the common ones and how to fix them:
1.Incorrect audio settings: Check your TV's audio settings to make sure the audio output is correctly set to your TV's speakers or external speakers. If the settings are incorrect, you need to adjust the settings to ensure that the audio outputs properly.
2.The audio cable is not connected: If the TV is connected to an external audio device, you need to check whether the audio cable is connected correctly. If the audio cable is not connected or poorly connected, it will cause no sound on the TV. You need to check and make sure that the audio cable is well connected.
3.Hardware failure: If your TV's speakers or audio circuitry fail, it can cause your TV to have no sound. In this case, it is necessary to contact a professional maintenance personnel for overhaul or replacement of the relevant parts.
4.Software glitches: Some TV software glitches or system updates may cause the audio to function unexpectedly. In this case, you can try restarting your TV or doing a factory reset to fix the software glitch.
5.Improper volume adjustment: If the volume of your TV is turned down too low or put on mute, it will cause no sound on your TV. The volume needs to be checked and adjusted to ensure that the sound is heard properly.
In conclusion, the absence of sound from a TV can be caused by a variety of reasons. For a TV with a problem, you first need to carefully check aspects such as your TV's audio settings, audio cable connections, hardware and software status, and volume adjustment to determine where the problem lies. Then take the corresponding workaround according to the specific situation to restore the audio function of the TV. If the problem cannot be solved, it is recommended to contact a professional maintenance personnel for inspection and repair.