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Good afternoon, I can't adjust screen brightness when I'm in tty. It's just works right in X Code: echo -n 100 > /proc/acpi/video/VGA/LCDD/brightness but when Im in a tty - ...
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  1. #1
    Linux Newbie
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    Apr 2010
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    Novosibirsk, Russia
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    Question [SOLVED] Screen brightness on ASUS K50IJ


    Good afternoon,

    I can't adjust screen brightness when I'm in tty. It's just works right in X

    Code:
    echo -n 100 > /proc/acpi/video/VGA/LCDD/brightness
    but when Im in a tty - it echoes, but screen would not really changes its brightness. And if I start X and adjust brightness to 100, in X it would be 100, but if I switch to tty, it immediatly drops brightness to 10. What it could be and how I can solve it? I'm not aware with VGA drivers well, so how to adjust its startup parameters (i mean /etc/modprobe.d/ files)?

  2. #2
    Linux Newbie
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    Apr 2010
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    Novosibirsk, Russia
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    Oh, God...when I boot in single-user mode - I can adjust brightness even using my <Fn>+<F5>/<F6> keys...but I can't see any vga drivers loaded in `lsmod` output at all! But if I'm in a level 5 when X is running, Fn keys works in X only, not in tty! How they cat intercept at all? And I think that I still need to find vga driver options...

  3. #3
    Linux Newbie
    Join Date
    Apr 2010
    Location
    Novosibirsk, Russia
    Posts
    145
    Hmm...I updated my openSuse 11.2 to 11.3 and now it works...seems to be Suse's bug?...anyway that is fixed..

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