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Backlight - ArchWiki
https://wiki.archlinux.org/index.php/backlight
Dec 19, 2017 - Screen brightness might be tricky to control. On some ... The brightness of the screen backlight is adjusted by setting the power level of the backlight LEDs or cathodes. The power level can .... Tip: These commands can be bound to keyboard keys as described in Extra keyboard keys in Xorg. If you get the ...display settings - How to change the Xorg gamma/brightness? - Unix ...
https://unix.stackexchange.com/questions/.../how-to-change-the-xorg-gamma-brightn...
Oct 26, 2013 - All commands worked, just that xflux would revert it back. Those who want to change their gamma/brightness:display settings - How to change the Xorg gamma/brightness? - Unix ...
https://unix.stackexchange.com/q/97721
Oct 26, 2013 - All commands worked, just that xflux would revert it back. Those who want to change their gamma/brightness:xorg - How do you change brightness, color and sharpness from ...
https://askubuntu.com/.../how-do-you-change-brightness-color-and-sharpness-from-c...
Sep 20, 2011 - xrandr will not increase the screen brightness on the hardware level (the one that is changed by the laptop display brightness keys). As the xrandr manual says: --Tip: Changing laptop screen's brightness - Xorg and Gui - Linux Tips
linux-tips.com/t/tip-changing-laptop-screens-brightness/70
Jan 20, 2015 - Here is the command I use in order to change my laptop screen's brightness: $ sudo sh -c "echo -n 4 > /sys/class/backlight/acpi_video0/brightness". If the value which comes after "-n" is small, this means that you get a darker screen, if you want a blazing screen that value should be bigger. You can see the ...Setting color brightness on Linux/Xorg - Stack Overflow
https://stackoverflow.com/questions/1963473/setting-color-brightness-on-linux-xorg
Dec 26, 2009 - XF86VidModeGetGamma(display, screen, &orig)) { XCloseDisplay(display); return -1; } for (i = 0; i <= 32; i++) { XF86VidModeGamma gamma; gamma.red = exp2f(2 - fabs(i - 16) / 4); gamma.green = gamma.red; gamma.blue = gamma.red; if (!XF86VidModeSetGamma(display, screen, &gamma)) break; ...Bug #1377351 “Screen brightness does not change” : Bugs : xorg ...
https://bugs.launchpad.net/bugs/1377351
Oct 3, 2014 - When I try to change the screen brightness using my Laptop's keyboard it shows me a "bar" that the screen brightness changes. However, the actual brightness does not change. If I tell the computer to change the brightness, then disconnect the charger, close the lid, wait a few seconds and re-open the lid ...LCD Brightness - ThinkWiki
www.thinkwiki.org/wiki/LCD_Brightness
Jan 20, 2013 - Regular ACPI. This worked for my X61: Once your brightness keys work, you can set the brightness by writing to the procfs: # echo 100 > /proc/acpi/video/VID1/Fix Brightness Control Not Working for Ubuntu 14.04 & Linux Mint 17
https://itsfoss.com/fix-brightness-ubuntu-1310/
Feb 21, 2016 - Fix brightness control issue with Intel card in Ubuntu 14.04 and Linux Mint 17: Open a terminal and create the following configuration file, if it does not exist: sudo touch /usr/share/X11/xorg.conf.d/20-intel.conf. Now we need to edit this file. You can use any editor be it a terminal one or graphical. sudo gedit ...[SOLVED] ubuntu 12.04lts screen brightness won't change - Ubuntu ...
https://ubuntuforums.org/showthread.php?t=2182847
Oct 22, 2013 - i know its been asked before, but nothing i do, fixes the issue. i have changed the xorg and grub files, with all different settings and changes to no use. changing those, the issue gets worse. when i use the FN key along with the brightness, it shows the brightness value going up and down, but the screen ...