Red Hat Bugzilla – Bug 754713
Laptop boots with minimum brightness
Last modified: 2013-07-31 17:45:53 EDT
Created attachment 534199 [details]
Description of problem:
After booting laptop always have minimum brightness. I can increase it manually with Fn key or in GNOME Control Center, but after next reboot it goes back to the minimum.
Version-Release number of selected component (if applicable):
01:00.0 VGA compatible controller: nVidia Corporation GT216 [GeForce GT 240M] (rev a2)
[root@Piotrek-laptop ~]# ls -lR /sys/class/backlight
lrwxrwxrwx 1 root root 0 Nov 17 2011 acpi_video0 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.0/backlight/acpi_video0
Created attachment 534202 [details]
Created attachment 534203 [details]
Created attachment 534205 [details]
Created attachment 534206 [details]
I expect you probably have SBIOS options for this? Nouveau doesn't even attempt touch the backlight unless ACPI doesn't provide an interface.
I don't see anything related to backlight in the BIOS. Also, it was working ok in F15 with 2.6.40 kernel, and just recently brightness bar in control-center stopped working (Fn key still works), so I'm starting to think it's GNOME's fault.
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The issue is still present in F19/3.9, but as there is little chance it would get fixed I won't update 'version'.
Fedora 17 changed to end-of-life (EOL) status on 2013-07-30. Fedora 17 is
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