Red Hat Bugzilla – Bug 717438
Asus EEE 1005PE screen brightness behaves strangely
Last modified: 2012-08-06 15:57:50 EDT
Description of problem:
On my Asus EEE 1005PE the screen brightness behaves very strangely. The screen brightness is not linear, but periodic. When the brightness is lowered by the power manager it tends to end up setting a value which happens to be very very dim, which actually made me do a hard reset because I thought the machine had frozen.
Version-Release number of selected component (if applicable):
This is Fedora 15 x86_64, without any applied updates that I can remember.
The behaviour is consistent between reboots.
Steps to Reproduce:
1. Use either Fn-keys or gnome-control-panel screen settings to set screen brightness to minimum.
2. Increase screen brightness step by step.
Actual screen brightness is periodic such that it goes like this...
[low, higher, high, almost off, low, higher, high, almost off, low, higher, high]
A linear increase of brightness such as [low, higher, high]
Windows 7 on the same hardware did not show these symptoms.
Same things happen on my Dell Latitude D820 with Fedora 16 beta x86_64.
Does this still happen using the new F16 release? Thanks.
This issue seems to be fixed in F16.
I can't reproduce it in F16 with my Dell Latitude D820.
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