** This bug is no longer a duplicate of bug 1098216
Regression in brightness control on Lenovo Thinkpad X230 (+tablet) and X1
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*** This bug is a duplicate of bug 1098216 ***
https://bugs.launchpad.net/bugs/1098216
** This bug has been marked a duplicate of bug 1098216
Regression in brightness control on Lenovo Thinkpad X230 (+tablet) and X1
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Christopher, I have always found a workaround, is there still need to boot at
another kernel? (Also how to save error report to a file?)
My netbook - Asus eeepc 1018p
The WORKAROUND:
http://itsfoss.com/fix-brightness-ubuntu-1310/
pen a terminal and create the following configuration file, if it
Yanpas, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the offi
This bug is still in trusty
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Title:
Brightness Controls work but brightness doesnt change
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
Nisheet Lall, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/cur
I am affected by this too after upgrading to 13.10. It worked fine in
12.10 and 13.04.
Using function keys I get an OSD showing brightness level
increasing/decreasing, but screen brightness does not change.
This is on an Lenovo laptop running upgradet 13.10 with Intel Graphics
using i915.
Settin
Hi Sukarn,
I tried and its working perfectly fine, are the controls broken. I
suspect the control might not be calling the intel_brightness command.
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Update -
# ls /sys/class/backlight has three listings
acpi_video0 acpi_video1 intel_backlight
# cat /sys/class/backlight/intel_backlight/max_brightness
976
# echo 100 > /sys/class/backlight/intel_backlight/brightness
bash:
I am facing this bug on 13.10 with an intel graphics card and nVidia
Optimus chip. Brightness controls were fine before upgrading from 13.04
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Hi! Have you also installed mir/xmir?
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Title:
Brightness Controls work but brightness doesnt change
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** Package changed: xorg (Ubuntu) => xserver-xorg-video-intel (Ubuntu)
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Title:
Brightness Controls work but brightness doesnt change
To manage n
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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Title:
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