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Laptop screen brightness not changing
Laptop screen brightness not changing











laptop screen brightness not changing

I installed SUSE 12.1 on my ASUS Z65 laptop when updating from SUSEġ1.1. Where it stops and then outputs only to.ġ2.1 made my laptop forget it was a laptop Now when I start the system it outputs to the monitor until X starts, Consequently, I require 'twinview' to clone my When at work, this laptop is in a dock with a higher res monitorĪttached, unfortunately the dock doesn't allow the laptop screen to be However I have thatĭisabled, so it is using the Nvidia 4200M with 512MB vRAM. Which has the new optimus graphics system on it. Sorry for the length of this: OK, I have a new Dell laptop for work Twinview, integrated nvidia chip, 12.1, screen res changes

laptop screen brightness not changing

# Commands to execute to set the brightness on your LCDīRIGHTNESS_OUTPUT="/sys/class/backlight/acpi_video0/brightness" Option "RegistryDwords" "EnableBrightnessControl=1"įor brightness control with laptop mode i added the following to theįile /etc/laptop-mode/conf.d/nf # sure you don't have in use another one laying around e.g. # Having multiple "Device" sections is known to be problematic. Seems i had managed to put in a typo i the config file. Somebody know where I can do this in openSUSE?Īny other hint where I can look for issues? The problem is that I do not have any folder video or similar. command line: I tried to change screen brightness with a commandĮcho -n 50 > /proc/acpi/video/VGA/LCD/brightness Switching between levels do not change screen All have three different screenīrightness level set. KDE power settings: I have three preset profiles (performance, the buttons are also correctly configured in the KDE keyboard

laptop screen brightness not changing

So IĪssume the state is set correctly by these buttons, but no action is But when I redoīrightness-up, it displays the level where it was supposed to be.

laptop screen brightness not changing

Fn+End button (Brightness down): The brightness level shows NOT up Fn+Home button (Brightness up): The brightness level shows up on This is what I tried so far (the obvious ones) I am using KDE and use the NVIDIA 3100 graphics card with the nvidia This has considerable impact on power consumption Now I noticed that the screen background lightning is not changing and My lenovo ThinkPad T410 battery life went considerable down since last













Laptop screen brightness not changing