That version is no more supported; please open a new bug report if the
actual archive found version also has the same issue.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Confirmed = Invalid
** Changed in: baltix
Status: New = Invalid
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I have an Asus G55VW and backlight hotkeys do not work and neither does
trying to directly manipulate /sys/class/backlight ... I have tried
adding Option RegistryDwords EnableBrightnessControl=1 and
changing the kernel boot params but with no success.
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** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen blacklight brightness always at 100%
This bug still exists in Ubuntu 11.10 and will continue to exist in
future Ubuntu versions because, as far as I know, this is a bug in the
nVidia blob that only nVidia can fix.
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Hey nirvn-asia,
You filed this bug report against natty, but I see it's still open and
doesn't appear to have much activity recently. So, now that oneiric
is released and stable, this may be a good point for you to upgrade
and re-test if this issue is still present there.
If it's solved in the
And alternately, there are .deb packages that install nvidiabl via dkms
available from https://github.com/guillaumezin/nvidiabl/downloads .
Currently only 4313CTO models have backlight support by default, but
it's only a matter of adding PCI IDs and some basic detection stuff.
That stuff can be
The nvidiabl driver now detects ThinkPad T510s with model 4313CTO.
This will not allow gnome-power-manager to control the backlight, but at
least the keys will worksort of. With autodetected values,
brightness can be turned down all the way, but can only be set to a
proper maximum by switching
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New = Confirmed
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** Also affects: baltix
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen blacklight brightness always at 100% (even on battery),
@laurybueno's solution works here.
Same model, a Sony Vaio VPCCW21FX with GeForce 310M
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen blacklight brightness always at 100%
People, I finally found a real workaround.
using the official nvidia driver, I installed the package nvidia-bl-dkms
from the Mactel PPA (https://launchpad.net/~mactel-support/+archive/ppa)
Now I can control the backlight perfectly. Not even with the noveau
driver I could control it with this
Guys, the best thing i could manage until now was install the
¨experimental¨ drivers for nvidia.
When I open the ¨additional drivers¨, he gives me two options, the
proprietary and the open source.
Using the proprietary, I can´t control the backlight (stays at 100%),
but i can use unity. By the
Unfortunately none of the above worked for me. I have been able to use
the intel drivers for integrate graphics only by using the script from
comment #7 http://piotr.gabryjeluk.pl/dev:ubuntu-11-04-natty-on-sony-
vaio-sz640
This was necessary because nvidia drivers presence apparently breaks the
I just received the W520 lenovo with quadro 1000m from nvidia and
installed ubuntu 11.04.
I cannot change the screen brightness. What's worse: If I try with the Fn
shortcuts my screen freezes and I need a hard reboot (!).
Bios has graphics set to discrete only.
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I had a similar problem. GRUB configuration change didn't work. Adding
stuff to xorg.conf neither. But I managed to fix it using a Python
program that binds to D-Bus signal BrightnessChanged and sets the proper
brightness using nvclock command. Check this out at my blog:
same here - since i've updated to 11.04, i can't change brightness with
Fn + Up/Down (dell vostro 3700 with nvidia gt330)
please fix this..
thanks,
P.P.
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http://askubuntu.com/questions/21523/screen-brightness-not-changing-on-acer-5742-notebook
this solution worked for me.
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen
The link mentioned in comment 4 also worked out for me. Thanks Piotr.
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen blacklight brightness always at 100% (even on
The mentioned solutions doesn't work for me. Still no reaction when
pressing FN + Up/Down nor any other posibility to change brightness.
Have you guys done any further things beside these 3 steps (change grub-
file, update-grub and reboot)?
BTW, my System is an Samsung P55 Pro Bengy (T7500,
Same problem here!
I have tried that xorg.conf-Fix (Option RegistryDwords
EnableBrightnessControl=1) but no change. Without the nvidia-drivers
(Package nvidia-current and -settings) brightness works again ([FN] +
[Up] or [Down])
As this is a major problem i hope for a quick solution/fix.
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https://bugs.launchpad.net/bugs/764195
Title:
laptop screen blacklight brightness always at 100% (even on battery),
can't be lowered
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