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Thread: HP Pavilon G4 Laptop Screen Brightness

  1. #1
    Join Date
    Jan 2013
    Beans
    1

    HP Pavilon G4 Laptop Screen Brightness

    can you help me with the brightness problem? i can't control the brightness of my hp pavilon g4

  2. #2
    Join Date
    Jun 2005
    Location
    Toronto, Canada
    Beans
    Hidden!
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: HP Pavilon G4 Laptop Screen Brightness

    Hello and welcome to the forums.

    I have moved your post to its own thread.

    Which version of Ubuntu are you using?

    Can you open a terminal window, type in (or copy/paste) the following commands, and post back the results:
    Code:
    cat /proc/cmdline
    Code:
    for interface in /sys/class/backlight/*; do echo $interface; cat $interface/brightness; cat $interface/actual_brightness; cat $interface/max_brightness; done
    Code:
    sudo lspci -vnn | grep -A12 VGA

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