[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1245288
Title:
can not alter display brightness after upgrade to 13.10
Status in linux package in Ubuntu:
Expired
Bug description:
I'm on a Lenovo b570e. Since upgrade to kubuntu 13.10 the screen
brightness can no longer be altered. Worked fine in kubuntu 13.04 and
still works fine in windows 7 (dual boot).
I tried
- using the special keys (fn-key + arrow up/down). This was my default way to
change brightness in 13.04. In 13.10 it doesn't even show the brightness
'progress bar' (see attachment if you don't know what bar I mean) with the new
percentage (fn-key + arrow left/right to change volume still works fine by the
way and DOES show the bar)
- installed and tried xbacklight -set 50. This shows the brightness 'progress
bar' but the screen brightness doesn't actually change.
- use the battery widget which also has a slider for the screen brightness.
Again, it shows the brightness 'progress bar' but the screen brightness doesn't
actually change.
I read the instruction below about finding the package but I have no
idea. Clearly it's not a GUI level issue since both the widget and
xbacklight don't work so it's deeper but I don't know where.
other people with the same problem:
-
http://askubuntu.com/questions/364868/brightness-at-100-since-updating-from-kubuntu-13-04-to-13-10
-
http://www.kubuntuforums.net/showthread.php?63855-Problems-upgrading-from-13-04-to-13-10
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