Oh, and finally, if you are in the desktop, can you please open a Terminal, enter "killall gnome-power-manager", and check if the problem still happens? (freeze with the brightness keys or the power cable)
Oh, and finally, if you are in the desktop, can you please open a Terminal, enter "killall gnome-power- manager" , and check if the problem still happens? (freeze with the brightness keys or the power cable)