Keywords: Brightness Control, Ubuntu ,Linuxmint My colleague was having issue with his HP laptop. He was not able to control the brightness of his laptop using function keys. Here are the steps to enable brightness control using function keys in Ubuntu and Linuxmint. To do that we need to edit GRUB configuration file. Below method has been tested with Ubuntu 12.04, Ubuntu 14.04 and Linuxmint 17 and Linuxmint 17.01. I hope this will work with other Linux distributions also. Step: 1 Open a terminal and type following command and enter.…
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