Hello again, Then you should use xrandr
$xrandr --query To know which devices you have $xrandr --output LVDS1 --auto To enable the monitor (LVDS1/VGA1/HDMI1) $xrandr --output LVDS1 --set BACKLIGHT 50 to adjust the backlight try for instance 50, 99, 05 and see how it goes Manuel > El 22/07/2017, a las 16:20, G <gp...@mailbox.org> escribió: > > Thanks for the reply but it doesn't work. > >> On 07/23/17 00:11, Manuel Solis wrote: >> Hello, Mr G >> >> Try this two: >> $xbacklight -set 99 >> >> $xbacklight -set 50 >> >> If you see something different then it works!! >> >> Manuel >> >>> El 22/07/2017, a las 14:48, G <gp...@mailbox.org> escribió: >>> >>> Hello. >>> I'm trying to adjust my laptop brightness. >>> When I'm trying to use xbacklight i get >>> >>> #xbacklight >>> >>> No outputs have backlight property >>> >>> I search around and it seems that xbacklight is broken. I found this email >>> https://marc.info/?l=openbsd-bugs&m=149919062727474 >>> >>> that suggested to use wsconsctl but it doesn't seems to work. Although >>> the value of wsconsctl display.brightness changes the screen brightness >>> doesn't change. >>> >>> # wsconsctl >>> keyboard.type=pc-xt >>> keyboard.bell.pitch=400 >>> keyboard.bell.period=100 >>> keyboard.bell.volume=50 >>> keyboard.bell.pitch.default=400 >>> keyboard.bell.period.default=100 >>> keyboard.bell.volume.default=50 >>> wsconsctl: Use explicit arg to view keyboard.map. >>> keyboard.repeat.del1=400 >>> keyboard.repeat.deln=100 >>> keyboard.repeat.del1.default=400 >>> keyboard.repeat.deln.default=100 >>> keyboard.ledstate=2 >>> keyboard.encoding=us >>> mouse.type=synaptics >>> mouse.rawmode=0 >>> mouse.scale=1472,5670,1408,4794,0,44,76 >>> mouse1.type=usb >>> mouse1.rawmode=1 >>> mouse1.scale=0,0,0,0,0,0,0 >>> display.type=vga-pci >>> display.emulations=vt100 >>> display.screentypes=80x25,80x25bf,80x40,80x40bf,80x50,80x50bf >>> display.focus=4 >>> display.brightness=100.00% >>> display.screen_on=250 >>> display.screen_off=0 >>> display.vblank=off >>> display.kbdact=on >>> display.msact=on >>> display.outact=on >>> # wsconsctl display.brightness=20 >>> display.brightness -> 20.00% >>> # wsconsctl >>> keyboard.type=pc-xt >>> keyboard.bell.pitch=400 >>> keyboard.bell.period=100 >>> keyboard.bell.volume=50 >>> keyboard.bell.pitch.default=400 >>> keyboard.bell.period.default=100 >>> keyboard.bell.volume.default=50 >>> wsconsctl: Use explicit arg to view keyboard.map. >>> keyboard.repeat.del1=400 >>> keyboard.repeat.deln=100 >>> keyboard.repeat.del1.default=400 >>> keyboard.repeat.deln.default=100 >>> keyboard.ledstate=2 >>> keyboard.encoding=us >>> mouse.type=synaptics >>> mouse.rawmode=0 >>> mouse.scale=1472,5670,1408,4794,0,44,76 >>> mouse1.type=usb >>> mouse1.rawmode=1 >>> mouse1.scale=0,0,0,0,0,0,0 >>> display.type=vga-pci >>> display.emulations=vt100 >>> display.screentypes=80x25,80x25bf,80x40,80x40bf,80x50,80x50bf >>> display.focus=4 >>> display.brightness=20.00% >>> display.screen_on=250 >>> display.screen_off=0 >>> display.vblank=off >>> display.kbdact=on >>> display.msact=on >>> display.outact=on >>> >
