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Thread: Broke my login while playing with brightness values

  1. #1
    Join Date
    Sep 2011
    Beans
    8

    Unhappy Broke my login while playing with brightness values

    I have an Asus K53SM laptop and it is running 16.04.1

    The brightness would reset to maximum value on restart. So i messed up while was playing around with
    sys/intel_brightness files acpi_video0
    the etc/grub/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
    and rc.login entry acpi_video0 intel_brightness

    The brightness issue after "suspend and re awake" did not get solved.

    I have a black login now, I am not sure if it is low brightness or a broken login screen.

    I have access to grub and ubuntu recovery mode.

    I tried altering back the values using an Ubuntu CD but cannot change acpi_video0 value which is 10, my highest brightness value is 4882.

    Please help me restore the settings and guide me through this.

    Thanks
    Last edited by harshatts; August 18th, 2016 at 10:25 PM.

  2. #2
    Join Date
    Sep 2011
    Beans
    8

    Re: Broke my login while playing with brightness values

    It is ok I reinstalled it! too much of a pain troubleshooting!

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