16 Jul
2019
16 Jul
'19
4:43 a.m.
On 07/15/2019 09:37 AM, andre_debian(a)numericable.fr 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.