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[Bug 880096] Re: cant change laptop brightness

 

acpi=off disabled battery indicator and processor stayed at 100%.

instead acpi=off I have addded: acpi_osi=Linux

works like a charm!

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https://bugs.launchpad.net/bugs/880096

Title:
  cant change laptop brightness

Status in “gnome-power-manager” package in Ubuntu:
  Confirmed

Bug description:
  can`t change laptop brightness, software controls in settings center doesnt have any effect. 
  while typeing on keyboard the status of the screen brightness changes [top right] but aktual brightness does not change.
  laptop dell vostro 3700. (yes, the one on the ubuntu homepage)

  using ubuntu 11.10 fresh install.

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