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[Bug 588877] Re: Thinkpad T510 [NVS 3100M] display brightness can't be changed

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Dave Chiluk <588877@xxxxxxxxxxxxxxxxxx>
Date: Tue, 13 Jul 2010 14:22:14 -0000
Reply-to: Bug 588877 <588877@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

*** This bug is a duplicate of bug 540112 ***
    https://bugs.launchpad.net/bugs/540112

Workaround available here 
http://www.thinkwiki.org/wiki/Category:W510

"To enable brightness control in X, append 'Option "RegistryDwords"
"EnableBrightnessControl=1"' to the Device-Section of xorg.conf, orginal
source:
http://www.nvnews.net/vbulletin/showthread.php?p=2204839#post2204839.
This may result in a high-pitched whine after lowering the brightness
within X. Brightness may not be lowered and raised in the same
increments on Archlinux."

Happy brightness adjusting.

-- 
Thinkpad T510 [NVS 3100M] display brightness can't be changed
https://bugs.launchpad.net/bugs/588877
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