I was finding this for a very long time and the other answer didn't work for me, but I was finally able to figure this hack out, and hopes this helps many other people. And then remove that custom value from dconf-edtor for volume-up (or set it back to its previous value). So we manipulate the value for volume from settings and then use that value for screen-brightness-up in the dconf editor. Check out your left and right arrow keys, or the function keys (F1, F2, etc. We have to do this as we can access the shortcuts for volume and not for brightness. How to Adjust Screen Brightness in Windows 10: 7 Steps wikiHow. Then head over to dconf editor and search for volume-up, and now see the string in the custom value for volume-up, and now copy paste this string to the screen-brightness-up > custom value field. Check out your left and right arrow keys, or the function keys (F1, F2, etc.) lining the top of your keyboard.These actions are VERY cumbersome, as they need two hands to be pressed and I need to look at the keyboard to find where is the correct key. How to Adjust Screen Brightness in Windows 10: 7 Steps wikiHow. In this laptop, I have to use Fn+F5 and Fn+F6 to change the brightness, and Fn+F10, Fn+F11 and Fn+F12 to mute or change the volume. Now search for volume up, and choose the shortcut which you want to use for screen brightness up. I want to remap such keys to useful things. Head over to settings > Keyboard shortcuts. The software universally works with keyboards of all kinds and makes. Microsoft PowerToys allows you to remap the keys of your keyboard with any other keys or shortcuts. Beneath the Keys heading, click the Remap a key link to open. Use Microsoft PowerToys to Remap Fn Keys. If you have not already visited the Keyboard Manager section of PowerToys, do so by clicking the link in the left-hand navigation bar. I don't know the exact syntax followed by dconf-editor, but I will tell you how to find the syntax. To apply the changes, find the key mentioned for Save and Exit on the screen typically it is the F10 key. Open dconf-editor and search for screen-brightness-up and screen-brightness-down, and under custom-value change the value to the shortcut you want to set (will tell later how to know what to enter). I am on 20.04 and I used dconf-editor to adjust the screen brightness from keyboard shortcuts.
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