@ Wolfgang Kufner, I tried patched kernel & gnome-power-manager from ppa : doesn't work for me... (same issue : blank screen !);
Perhaps another way : https://patchwork.kernel.org/patch/499221/ (but need to recompile kernel from sources... no time for me today)
Stay tuned
@ Wolfgang Kufner, I tried patched kernel & gnome-power-manager from ppa : doesn't work for me...
(same issue : blank screen !);
Perhaps another way : /patchwork. kernel. org/patch/ 499221/
https:/
(but need to recompile kernel from sources... no time for me today)
Stay tuned