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[Bug 764195] Re: laptop screen blacklight brightness always at 100% (even on battery), can't be lowered

 

Unfortunately none of the above worked for me. I have been able to use
the intel drivers for integrate graphics only by using the script from
comment #7 http://piotr.gabryjeluk.pl/dev:ubuntu-11-04-natty-on-sony-
vaio-sz640

This was necessary because nvidia drivers presence apparently breaks the
3d support from the intel.

Also, when using the nvidia card I the 'additional drivers'  kept
insisting that the nvidia driver was installed, but not in use. I
thought I might be using nouveau by accident, but I've removed it and
still it was denying the use of the proprietary driver (though compiz
support was there)

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https://bugs.launchpad.net/bugs/764195

Title:
  laptop screen blacklight brightness always at 100% (even on battery),
  can't be lowered


References