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2

I was getting mad with the same problem as Nomad's and DrNT007's solution worked great. I searched a bit on the net in order to hide the powershell window and came to this thread and found user2656928's solution the best suiting for me: just add the following code at the top of DrNT007's script and the powershell window will momentarily show and then ...


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If you didn't want 5 to be echoed this also works: sudo sh -c 'echo 5 > /sys/class/backlight/acpi_video0/brightness'


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The new Intel Graphics Control Panel does not have the option, even under battery mode: Therefore it is necessary to edit this in power management: As far as my understanding goes, if you have the NVIDIA drivers also installed, you should only have the 3D graphics options under the NVIDIA control panel. Hope this helps.


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Try rolling back the display driver to the previous version. Control Panel > Device Manager (opens a window) > Display Adaptors > Intel(R) HD Graphics 4000 (double-click) > Driver (tab) > Roll Back Driver. It worked for me.



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