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KDE4 not optimal screen resolution

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maxmad

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Tuesday, August 31st 2010, 11:18pm

KDE4 not optimal screen resolution

Debian Squeeze
xserver-xorg
NVIDIA legacy driver
KDE4
FSC ScaleoView L22W-7SD
Nvidia FX 5600

My monitor requires 1680x1050 at 60 Hz for good resolution.

Giving the xorg.conf a modeline that allows this resolution, KDE either does not fit to the screen or changes resolution to 1440x900 at 50 Hz, which makes a lousy picture.
How do I get a 1680x1050 picture in KDE.
It has been working fine with KDE 3.5 and Debian Lenny.
Anyone out there to help me to fix that problem?
Thanks!

maxmad

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Friday, September 3rd 2010, 11:40pm

Solved

Solution found (thanks to Axel):
xserver asks both monitor and graphik-card for clocking and makes wrong decision.
Section "Monitor"
Option "ModeValidation" "NoMaxPClkCheck"
makes it work fine!

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