The problem I reported seems to be related to lightum. I deinstalled lightum
via:
sudo apt-get remove lightum
restarted Ubuntu, and now I can change brightness level as usual using the
keyboard.
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I have the problem that when I change the screen brightness via the fn
keys or the system configuration panel, I get an increase in brightness
for maybe half a second and then it goes back to some default. Same for
key backlighting
My /sys/class/backlight folder has two dirs:
acpi_video0 and int
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/983850
Title:
Macbook air 4,2 screen goes black when mini-dvi adapter is removed
To manage notifications abou
I installed the mainline kernel v3.4-rc3-precise and I see some
improvement. Now instead of going black when I remove or attach the
adapter, the macbook screen stays active. However, when I remove the
adapter, I can still move my mouse into the area that would be reserved
for the second screen. A
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https://bugs.launchpad.net/bugs/983850
Title:
Macbook air 4,2 screen goes black when mini-dvi adapter is removed
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Public bug reported:
I have a monitor connected to my macbook air 4,2 through a dvi to mini-
dvi adapter plugged into the thunderbolt port. If I have the adapter
connected to the mac when I start up, everything works fine. However,
when I remove or connect the dvi to mini-dvi adapter while the m
Setting the bios password works for me. Great workaround.
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Dell Latitude D600 hangs on wakeup from suspend
https://bugs.launchpad.net/bugs/559163
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