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Thread: unable to adjust brightness Kali 1.09a64b | Dell inspiron 15 3521 with Intel HD 3000

  1. #1
    Join Date
    2014-Oct
    Posts
    9

    unable to adjust brightness Kali 1.09a64b | Dell inspiron 15 3521 with Intel HD 3000

    I've installed Kali 1.09 64b with dual boot (with windows 8.1) to a Dell laptop inspiron 15 3521 with Intel HD 3000. Everything works great except the brightness, which i am unable to control with the Fn button + the f shortcut for brightness or otherwise, while it shows the bar changes, virtually the brightness still stays unchanged.

    I've already tried to edit the grub file so that the line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" will be GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" but no success here (Kali not even boot then "waiting for /dev to be fully populated"). xbacklight doesn't work either.

    Any help on this issue would be greatly appreciated.

    Thanks
    Last edited by luv420; 2014-10-15 at 11:48.

  2. #2
    Join Date
    2014-Oct
    Posts
    9
    still haven't find any solution for this issue, please help me with that.

  3. #3
    try echo 10 > /sys/class/backlight/intel_backlight/brightness

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