Why is the set-top box remote control not responding?
If the remote control indicator is not lit or very dark when pressed, it may be that the remote control battery is low.
If the remote control indicator still does not light after replacing the battery, check whether the positive and negative polarity of the battery is reversed and the battery is in good contact with the mount.
If there is no problem with the above check, but the remote indicator still does not light, you should check if the button is damaged.
If some of the button indicators respond, and some buttons do not respond, it is likely that the button is damaged or the remote control is damaged.