Hallo,
bei mir fehlt die Option "Bildschirmhelligkeit über das Panel regeln". https://wiki.ubuntuusers.de/xfce4-power-manager/#Bildschirmhelligkeit-ueber-das-Panel-regeln
xfce4-power-manager-plugins ist aber installiert Version (1.6.6-1).
/sys/class/backlight/ ist bei mir leer. Also habe ich den Rat hier probiert: https://askubuntu.com/questions/715306/xbacklight-no-outputs-have-backlight-property-no-sys-class-backlight-folder
Dort heißt es "The output should give you something like this:"
1 2 3 | sudo find /sys/ -type f -iname '*brightness*' /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight/brightness |
Bei mir kommt aber das:
1 2 3 4 5 6 7 8 9 | ~$ sudo find /sys/ -type f -iname '*brightness*' /sys/devices/platform/i8042/serio0/input/input3/input3::numlock/brightness /sys/devices/platform/i8042/serio0/input/input3/input3::numlock/max_brightness /sys/devices/platform/i8042/serio0/input/input3/input3::capslock/brightness /sys/devices/platform/i8042/serio0/input/input3/input3::capslock/max_brightness /sys/devices/platform/i8042/serio0/input/input3/input3::scrolllock/brightness /sys/devices/platform/i8042/serio0/input/input3/input3::scrolllock/max_brightness /sys/module/video/parameters/hw_changes_brightness /sys/module/video/parameters/brightness_switch_enabled |
Es geht um ein T15 Laptop.
1 2 | ~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02) |
Noch das ausprobiert:
/usr/share/X11/xorg.conf.d/20-intel.conf
1 2 3 4 5 6 | Section "Device" Identifier "card0" Driver "intel" Option "Backlight" "intel_backlight" BusID "PCI:0:2:0" EndSection |
Was kann es sein? Danke.