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Old 03-18-10, 02:16 PM   #38
mendelrat
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Join Date: Mar 2010
Posts: 1
Default Re: Quadro FX 880M Stability Problems

I came here for a different reason, but these xorg additions allow me to have backlight control with my Lenovo Y450 laptop with GT 130M graphics. I learned of this after submitting a bug report with ubuntu and googling the "RegistryDwords" stuff that was suggested there

https://bugs.launchpad.net/ubuntu/+s...rs/+bug/540112


Quote:
Originally Posted by danix View Post
For those experiencing problems with backlight controls, can you please try adding the following line to /etc/X11/xorg.conf in the "Device" section for your GPU:

Option "RegistryDwords" "EnableBrightnessControl=1"

Then restart X and see if brightness controls work.

If they do, please post an nvidia-bug-report.log along with the make and model of your laptop. Thank you.
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