Hello guys,
I've solved this problem doing something like this=
http://askubuntu.com/questions/76081/brightness-not-working-after-installing-nvidia-driver
I'm using Ubuntu 14.04 64bits release in my Vostro 3300 with Nvidia
GeForce 310M. I think the problem is about Nvidia/X11 receive the
Another guy did something similar that worked too for INTEL boards:
http://itsfoss.com/fix-brightness-ubuntu-1310/
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I don't think the display is a non-essential hardware component.
In fact, it is THE most important hardware a laptop/netbook can offer. Or do
you think your computer is usable without a display?
This is a regression to previous Ubuntu releases.
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It affects a non-essential hardware component (removable network card,
camera, web-cam, music player, sound card, power management feature,
printer...).
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
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You received this bug notification because you are a
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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** Summary changed:
- Can't control screen brightness
+ [acpi backlight] Can't control screen brightness
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https://bugs.launchpad.net/bugs/1273234
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