![Dioda LED klawisza funkcyjnego F4 jest zawsze włączona, nawet jeśli jest wciśnięta w niektórych komputerach Latitude | Dell Polska Dioda LED klawisza funkcyjnego F4 jest zawsze włączona, nawet jeśli jest wciśnięta w niektórych komputerach Latitude | Dell Polska](https://supportkb.dell.com/img/ka06P0000008pvMQAQ/ka06P0000008pvMQAQ_pl_1.jpeg)
Dioda LED klawisza funkcyjnego F4 jest zawsze włączona, nawet jeśli jest wciśnięta w niektórych komputerach Latitude | Dell Polska
![This F4 button, right between the Refresh button and the Volume Up button, immediately closes any application you are using : r/CrappyDesign This F4 button, right between the Refresh button and the Volume Up button, immediately closes any application you are using : r/CrappyDesign](https://i.redd.it/h3khnqgcsfrx.jpg)
This F4 button, right between the Refresh button and the Volume Up button, immediately closes any application you are using : r/CrappyDesign
![Microphone Mute (F4) light always on, doesn't turn off nor match function? How can this be undone or fixed? (1st gen X1 Yoga) : r/thinkpad Microphone Mute (F4) light always on, doesn't turn off nor match function? How can this be undone or fixed? (1st gen X1 Yoga) : r/thinkpad](https://preview.redd.it/43i54pyn5ue41.jpg?width=640&crop=smart&auto=webp&s=2b169b5217070715f1ec1bb7e874b3554254d331)
Microphone Mute (F4) light always on, doesn't turn off nor match function? How can this be undone or fixed? (1st gen X1 Yoga) : r/thinkpad
![Does anyone know what this (circled in pic) logo represents on the F4 key? Does it enable something? : r/razer Does anyone know what this (circled in pic) logo represents on the F4 key? Does it enable something? : r/razer](https://preview.redd.it/5acnj3cz7l361.jpg?width=640&crop=smart&auto=webp&s=334b02e4ecf328efce658080f4ba8eb34b5ff158)