Public bug reported:
Press Fn + up/down arrow.
Expected to happen: brightness goes up or down; notification in top
right of brightness going up or down.
Actually happened: brightness stays unaffected; notification does appear
and respond correctly, but lies.
Cannot adjust brightness using function key combo. Shows the
notification as if I am adjusting it, but screen stays on max
brightness. Brightness & Lock app doesn't adjust brightness either.
When I switch to proprietary drivers, brightness adjustment does work.
When I turn off the nvidia card and use the intel card, brightness
adjustment works. But with the intel card only I don't have hdmi port
support, so no triple monitor support. And with the proprietary drivers,
I get horrible, horrible bugs, including one that made it impossible to
get into my system until I modified bios settings related to the video
card.
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: brightness fn function
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https://bugs.launchpad.net/bugs/1472897
Title:
cannot adjust brightness E6530 15.04 fresh install
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