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Thread: No Control Over Brightness

  1. #1
    Join Date
    May 2009
    Location
    London
    Beans
    245
    Distro
    Ubuntu 12.04 Precise Pangolin

    No Control Over Brightness

    Using a new Compaq Presario CQ58 and have the KDE desktop installed.

    Holding down the 'fn' key, I can't get the screen brightness to go down when I press the small '*' (brightness) key.

    Can anyone tell me how to decrease the brightness on this pc?

  2. #2
    Join Date
    Dec 2012
    Beans
    51

    Re: No Control Over Brightness

    Do you know the graphics card manufacture in the PC?
    I have a custom box with an ATI graphics card, I had to install the AMD drivers to gain access to the control center to adjust brightness and contrast.

    If you go to settings -> Additional Drivers does anything come up?

    Regards,
    - D4rk0wl

  3. #3
    Join Date
    Jul 2006
    Location
    Castrum, Germania Secunda
    Beans
    1,071

    Re: No Control Over Brightness

    Maybe like this:
    https://sites.google.com/site/easyli...not-adjustable
    (item 2.5, right column)
    Tips, tweaks and how-to's for Ubuntu and Mint:
    http://sites.google.com/site/easylinuxtipsproject
    In for a pleasant surprise? Give Xubuntu a try:
    http://sites.google.com/site/easylin...roject/xubuntu

  4. #4
    Join Date
    May 2009
    Location
    London
    Beans
    245
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: No Control Over Brightness

    The 'additional drivers' thing did it! I activated the drivers, restarted and can now adjust brightness.

    I've attached a screen grab of a newspaper. The fonts seem a bit unclear to read. Can anything be done about this? Will I need to repost elsewhere?

    Thanks for the help with the display brightness issue....
    Attached Images Attached Images

  5. #5
    Join Date
    Aug 2011
    Beans
    327
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: No Control Over Brightness

    Quote Originally Posted by chome4 View Post
    The 'additional drivers' thing did it! I activated the drivers, restarted and can now adjust brightness.

    I've attached a screen grab of a newspaper. The fonts seem a bit unclear to read. Can anything be done about this? Will I need to repost elsewhere?

    Thanks for the help with the display brightness issue....
    Is your monitor set to the right resolution?

  6. #6
    Join Date
    May 2009
    Location
    London
    Beans
    245
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: No Control Over Brightness

    Quote Originally Posted by Linuxisfast View Post
    Is your monitor set to the right resolution?
    Thanks, all OK now...

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