If the button on your TV cannot work properly, please refer to the following troubleshooting steps:
1. Please rub the dust and debris on the surface of the button as this can interfere with button operation;
2. Please unplug the TV from the power source and wait for a few minutes, then plug it back in and turn it on after the cleaning to check if the physical button works normally;
3. Examine the physical button on the TV for any signs of damage, such as wear and tear or physical impact. If the button is physically damaged, it needs to be repaired or replaced;
4. If the button on the TV cannot be used normally, you can use the remote control to carry out the operations.
If the above troubleshooting methods cannot resolve the issue, please contact the local after-sales center for further assistance. They will help you in this regard.