set acpi_osi=Linux

[kwevej]

This could help (especially @ laptops), if u have issues with CPU fan control ; multimedia keys; perhaps also hibernation and shutdown.

Run terminal and run:

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sudo gedit /etc/default/grub


and then change

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GRUB_CMLINE_LINUX_DEFAULT="quiet splash"


to

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GRUB_CMLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"


next update /boot/grub/grub.cfg by running

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sudo update-grub

Reboot