[Bug 414658] Re: Brightness Keys do not work on Lenovo U350

[mph]

ok works for me now.

edited /etc/default/grub

from

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

to

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset acpi_backlight=video"
GRUB_CMDLINE_LINUX="nomodeset acpi_backlight=video"

acpi_backlight=vendor as suggested in kalvelands link didn't work for
me.

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Brightness Keys do not work on Lenovo U350
https://bugs.launchpad.net/bugs/414658
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