Hot answers tagged brightness
You should use the latest official drivers that support your NVIDIA GEFORCE GTX 960M graphics. Uninstall the old NVIDIA drivers by executing: sudo apt-get purge nvidia* sudo reboot Install the new NVIDIA drivers by executing: sudo add-apt-repository ppa:graphics-drivers/ppa sudo apt-get update sudo apt-get install nvidia-358 nvidia-prime sudo ...
The above solution worked brilliantly for me. Thanks to the author. For those struggling with commands like me, open the terminal window by using the keys Ctrl + Alt + T or alternatively, click on the 'Search your computer and online sources' icon and search the applications for 'Terminal'. When Terminal opens, type the command: sudo gedit /etc/rc.local ...
You can try this Edit /etc/default/grub edit line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=" Save In terminal "sudo update-grub" reboot This work for my X401u (AMD c-60,Radeon 6290) with Ubuntu-mate 15.10
Use keyboard shortcuts to run xbacklight commands. Run xbacklight with -inc <percentage> and -dec <percentage> options to reproduce Fn+F6 and Fn+F5 feature keys on actual keyboard, without using Fn key. Suggested commands Try the following commands^ in Terminal: To increase brightness by 10%: xbacklight -inc 10 To decrease brightness by 10%: ...
This is what is in the sub directory: echo -n 0 > /sys/class/leds/phy0-led/ brightness max_brightness subsystem/ uevent device/ power/ trigger
If that's the case make sure you take a look at system settings-> brightness & lock menu, unchecking the dim brightness and setting the brightness through that menu
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