How to change default settings for volume and brightness keys?
13057
How can I remap the volume buttons for custom use?
148606
Changing Screen Brightness Through Keyboard Functions on My Notebook
129529
My keyboard has no "media" keys; can I control media without them?
34890
Brightness Adjustment on Desktop Computer
158668
How do I change the font colours for grub?
20719
No sound settings available in the settings manager window
101886
How to permanently set screen brightness level in Ubuntu 12.04 on Dell Vostro 2420 laptop?
91839
How to disable the Windows8 volume On-Screen-Display?
36213
Can't apply brightness to terminal's background color
155030
How do I change the login manager's keyboard layout?
68571
Display brightness control not working in 17.10
147657
How do I disable the volume control overlay?
27308
How can I change the default audio device from command line?
62447
How to control Brightness
86354
Media keys behaving like function keys
101668
Can I fine-tune my screen brightness?
56584
How can I make LightDM the default display manager?