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[Bug 568611] Re: Screen brightness control fails on Dell Studio 1558

To: registry@xxxxxxxxxxxxxxxxxxx
From: Bogdan <568611@xxxxxxxxxxxxxxxxxx>
Date: Sat, 25 Dec 2010 10:56:12 -0000
Reply-to: Bug 568611 <568611@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

On my GMA4500 setting brightness to minimum turns off backlight
completely, but with external lighting something can still be seen on a
screen (because the image is still there, even though there is no
backlight). It looks similar to what the reflective cell phone's screen
looks like when it goes dark - you can still see symbols on the screen,
but you wouldn't be able to see them if you were in a dark environment.

So I believe power manager should not allow setting brightness to
absolute minimum.

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https://bugs.launchpad.net/bugs/568611

Title:
  Screen brightness control fails on Dell Studio 1558