Unusably dim screen in KDE
Linuxguy123
linuxguy123 at gmail.com
Wed Apr 6 20:00:00 UTC 2011
On Tue, 2011-04-05 at 21:11 -0500, Ian Pilcher wrote:
> Fedora 14 (x86_64) on a Lenovo ThinkPad T510 an "nVidia Corporation
> GT218 [NVS 3100M]" GPU.
>
> I normally don't use my laptop's built-in display when it's at
> home, so I'm not exactly sure when it started, but I suspect that
> the recent update to KDE 4.6 was probably the trigger.
>
> I can boot my system and log in to GNOME just fine. Logging in to
> KDE, however, causes the brightness of my laptop display to become
> unusably dim. This happens whether or not the laptop is running on
> AC power. The screen does return to its normal brightness momentarily
> when I connect AC power, but it then returns to its dim state.
>
> The KDE brightness controls are still set to full brightness; I can use
> them to change the display from unusable dim to completely black and
> back.
>
> The only way I have found to restore the display to its normal
> brightness (until I log in to KDE) is to reboot.
>
> Anyone have any idea what might be going on? I really am completely
> unable to use KDE this way. :-(
I bet it has something to do with your power settings.
Kstart->Settings-> System Settings -> Power Management-> Power Profiles
-> Display Brightness.
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