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Thread: every time screen brightness become highest when reboot the computer

  1. #1
    Join Date
    2013-Apr
    Posts
    175

    every time screen brightness become highest when reboot the computer

    every time screen brightness become highest when reboot the computer .
    i need to change the brightness every time when I come to kali .
    Are there anyone have the same problem with me ?
    Linux ubt 5.7.0-kali1-amd64 #1 SMP Debian 5.7.6-1kali2 (2020-07-01) x86_64 GNU/Linux

  2. #2
    Join Date
    2020-Aug
    Location
    Indonesia?
    Posts
    2
    Quote Originally Posted by when123 View Post
    every time screen brightness become highest when reboot the computer .
    i need to change the brightness every time when I come to kali .
    Are there anyone have the same problem with me ?
    Linux ubt 5.7.0-kali1-amd64 #1 SMP Debian 5.7.6-1kali2 (2020-07-01) x86_64 GNU/Linux
    yes i have the same problem with you

  3. #3
    Join Date
    2013-Apr
    Posts
    175
    Have you solved it ?

  4. #4
    Join Date
    2013-Apr
    Posts
    175
    I found the where the problem is . but I can't found the way to solve it .
    details as follow .
    root@ubt:/sys/class/backlight/amdgpu_bl0# ls
    actual_brightness brightness max_brightness scale type
    bl_power device power subsystem uevent
    root@ubt:/sys/class/backlight/amdgpu_bl0# cat brightness
    113
    root@ubt:/sys/class/backlight/amdgpu_bl0# cat actual_brightness
    251

    actual_brightness should be same as brightness value , and when brightness changed , the
    actual_brightness should be changed to same value .
    but in kali , The actual_brightness can't be changed . and always 251 .
    when reboot . then the brightness value is 251 .
    this maybe the problem .
    Could someone can help with this ?

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