(23-Apr-2020, 07:58 AM)agent_kith Wrote:(22-Apr-2020, 07:54 AM)lazmangsxr Wrote: Hi,Interesting. What happens when you run
the message is the same:
roon@roon:~$ sudo alsamixer
cannot open mixer: No such file or directory
Ok the Alsa mixer appeared, I tried all the combinations with 100% volume not working.Code:sudo alsamixer -c1
(22-Apr-2020, 07:54 AM)lazmangsxr Wrote: roon@roon:~$ sudo su -c 'echo "0" > /sys/devices/virtual/backlight/acpi_video0/brightnessWoops, missed a quote at the end, try
After running the command that symbol remains and I have to press ctrl + C to return to the prompt.
Code:sudo su -c 'echo "0" > /sys/devices/virtual/backlight/acpi_video0/brightness'
The backlight directory does not exist inside virtual.

What do you say, you give up?
