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Thread: ThinkPad T410 Screen Brightness

  1. #11
    Join Date
    Feb 2007
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    Re: ThinkPad T410 Screen Brightness

    Setting that option in xorg.conf worked! Thanks!

  2. #12
    Join Date
    Sep 2006
    Location
    Central Europe
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    Ubuntu Development Release

    Re: ThinkPad T410 Screen Brightness

    I have a similar problem with my Optimus T510 (set to Integrated graphics only): setting the brightness within the session works fine (even without the driver option in the xorg.conf), but on session start it's always at 100% (burning my eyes away ).

    Any ideas?
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  3. #13
    Join Date
    Aug 2010
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    Re: ThinkPad T410 Screen Brightness

    Hooray!!! Works like a charm. Thx

  4. #14
    Join Date
    Jul 2009
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    Re: ThinkPad T410 Screen Brightness

    The above workaround of changing the brightness from tty1 as well the solution to add brigtness entry under Devices section of xorg.conf file works well.

    I am using 10.10 on T410s.

  5. #15
    Join Date
    May 2010
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    Canada, Ontario
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    Ubuntu 10.04 Lucid Lynx

    Re: ThinkPad T410 Screen Brightness

    Originally Posted by BennBuntu
    [...] Have to add
    Code:
    Option "RegistryDwords" "EnableBrightnessControl=1"
    to your /etc/X11/xorg.conf under devices section. Make sure the quotation marks are the same as if you type them.
    This worked for me. Also the FN-HOME/END keyboard brightness adjustment works well now too. Thanks.

  6. #16
    Join Date
    May 2011
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    Talking Re: ThinkPad T410 Screen Brightness

    Quote Originally Posted by rifcoder View Post
    Did someone find solution? Have the same problem running 10.04 on t410
    A temporary workaround, just switch to text console by "ALT-Ctrl-F1", adjust the birghtness there and then switch back to graphics console by 'Alt-Ctl-F7".

  7. #17
    Join Date
    Oct 2011
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    Re: ThinkPad T410 Screen Brightness

    Quote Originally Posted by steve0921 View Post
    I am having this problem too, since activating the nvidia proprietary drivers. Brightness worked fine before I did so.
    Hi,
    I am trying to troubleshoot brightness control on an iMac with the same graphic card as the t410. Could you tell me what driver you used before installing the nvidia drivers (they don't exist for ppc machines).
    Greg

  8. #18
    Join Date
    Nov 2007
    Location
    Portland, OR
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    30
    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: ThinkPad T410 Screen Brightness

    Having a similar problem with a Thinkpad T530 in 12.10. There is no xorg.conf anymore so I can't apply that solution. Manually adding it didn't work either. Any other ideas?

  9. #19
    Join Date
    Sep 2010
    Location
    Germany
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    Ubuntu 12.04 Precise Pangolin

    Re: ThinkPad T410 Screen Brightness

    Try it this way (in German, but I hope you get the point).

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