[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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** Tags added: bios-outdated-2.20
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https://bugs.launchpad.net/bugs/1483366
Title:
Lenovo E540: Brightness control does not work
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Hi! Thanks for your advice! The procedure you adviced me was near limits of
my linux and Ubuntu using skills. But I can infrom this problem is solved
currently this way. I suddenly adjusted the audio level from laptop button
to zero. That somehow reseted the brightness function also, and it has bee
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix th
apport information
** Tags added: apport-collected trusty
** Description changed:
- After last Ubuntu updates, brightness control buttons stopped to work,
- brightness is stuck on maximum. When pressing key to reduce brightness,
- indicator shows up as it should, but doesn't let to reduce the in
