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Thread: display brightness varies randomly

  1. #1

    Default display brightness varies randomly

    Hi,

    I when opening new windows (sometimes), scrolling firefox or in the file manager suddendly the screen intensity goes down to about 50%. Continuing to scroll - brightness comes up again and maybe after scrolling more goes down etc. It seems to be dependent on the contents of the window, OR color of some areas etc.

    Where can I make sure intensity is never manipulated by the driver? Where can I find more on how display brightness is manipulated?

    I am using a 24in LCD display of 1600x1200 and nVidia GeForce 7300GT.

    Many thanks.
    golpe

  2. #2
    Join Date
    Nov 2008
    Location
    N. Wales
    Posts
    1,028

    Default Re: display brightness varies randomly

    golpe adjusted his/her AFDB on Saturday 08 Aug 2009 15:36 to write:

    >
    > Hi,
    >
    > I when opening new windows (sometimes), scrolling firefox or in the
    > file manager suddendly the screen intensity goes down to about 50%.
    > Continuing to scroll - brightness comes up again and maybe after
    > scrolling more goes down etc. It seems to be dependent on the contents
    > of the window, OR color of some areas etc.
    >
    > Where can I make sure intensity is never manipulated by the driver?
    > Where can I find more on how display brightness is manipulated?
    >
    > I am using a 24in LCD display of 1600x1200 and nVidia GeForce 7300GT.
    >
    > Many thanks.
    > golpe
    >
    >


    Which driver are you using?

    And where did you install it from?

    can you reproduce this at exactly the same point of scrolling, say is it
    exactly in the same place or is it random?

    Does it only happen on certain sites or any web page with or without
    pictures, flash, java things.

    I cannot find anything in the driver that will dynamically adjust the
    brightness, looking at the machine here with a 7300 in and there does not
    seem to be that option anywhere.

    Are you using KDE or Gnome, if you have both installed then does it happen
    in both or just one?

    Just trying to narrow down what is causing it.

    Silly question but have you made sure your monitor cable is in nice and
    tight ( both ends ), also what power supply and the rest of your hardware
    just in case it is a power prob or a dodgy connection.

    HTH
    --
    Mark
    Caveat emptor
    Nullus in verba
    Nil illegitimi carborundum

  3. #3
    goldie NNTP User

    Default Re: display brightness varies randomly

    and, 1) don't post the same question in multiple forums, 2) but, if
    you do at least give the same, and _most complete_ info in each..

    your other posting didn't mention your problem was in Firefox and
    "file manager" by which i guess you mean Konqueror or what? (there
    must be at least 50 different "file managers" available for openSUSE?)

    --
    goldie

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