Hi ! post-scriptum: option "acpi=off" not good in that case because of "/usr/bin/X:0-auth/var/run/lightdm/root/:0-nolisten tcp vt7 -novtswitch" running 50% cpu ,finally starting OK with option "nomodeset" .
Hi ! X:0-auth/ var/run/ lightdm/ root/:0- nolisten tcp vt7 -novtswitch"
post-scriptum:
option "acpi=off" not good in that case because of "/usr/bin/
running 50% cpu ,finally starting OK with option "nomodeset" .