![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://i.redd.it/43i54pyn5ue41.jpg)
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
Enable or disable fn (function) or action keys mode (HP ProBook 440 G5, 450 G5, 470 G5, and HP EliteBook 830 G5, 840 G5, 850 G5) | HP® Support
How to enable/disable the function key in hp laptops and other latest laptop models? - Tax Ninja | Serving Knowledge Digitally
![Fn keys for volume and brightness don't work on Lenovo Thinkpad e460 running Ubuntu 18.04 - Ask Ubuntu Fn keys for volume and brightness don't work on Lenovo Thinkpad e460 running Ubuntu 18.04 - Ask Ubuntu](https://i.stack.imgur.com/MNoIT.png)