On 07/15/2019 09:37 AM, andre_debian@xxxxxxxxxxxxxx wrote: > My computer laptop is Lenovo, video card Intel 520. > > Only the Function keys F1 and F2 work for the sound, increase , decrease. > > Package "thinkpad_acpi" doesn't exist on Debian. > > What is the output of : ls -al /sys/class/backlight/ ## note: / at end IS required and if 'intel' or 'acpi_video0' is shwown, then what is the output of the one present, e.g. ls -al /sys/class/backlight/intel/ or ls -al /sys/class/backlight/acpi_video0/ (in other words -- where is your backlight control coming from) -- David C. Rankin, J.D.,P.E. --------------------------------------------------------------------- To unsubscribe, e-mail: trinity-users-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx For additional commands, e-mail: trinity-users-help@xxxxxxxxxxxxxxxxxxxxxxxxxx Read list messages on the web archive: http://trinity-users.pearsoncomputing.net/ Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting
