This same problem still exists in 12.04.
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https://bugs.launchpad.net/bugs/789346
Title:
Screen brighness randomly changes on Lenovo Y560 laptop
To
Mine always darkens, and it sometimes goes to ~%70, but other times it
seems to go all the way down.
Also, I've updated the BIOS and graphics drivers and the problem still
occurs.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-power-manager (Ubuntu)
Status: New = Confirmed
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I have a Lenovo Ideapad Y560 with an ATI Mobility Radeon HD 5730, and
had the same problem.
I have upgraded the BIOS to version 71 and the problem seems to be
solved. I have downloaded the BIOS from the Lenovo driver download page
specific to the Ideapad Y560
i also have this issue.
i normally keep my brightness on full.
so then it always gets darker when this occurs.
it seems to go to 70% brightness. i quickly put it back to 100% so i
dont know if it would continue to darken
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Does it always change to being darker or could also become brighter?
Does it always change to a a specific brightness level?
** Package changed: ubuntu = gnome-power-manager (Ubuntu)
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