also happen to me. nvidia 9400m, using ubuntu 64bits. flash non free and flashblock too. it's enough to do ctrl+alt+F6 and ctrl+Alt+F7 to solve, but in some cases even the keyboard do not respond.
also happen to me. nvidia 9400m, using ubuntu 64bits. flash non free and flashblock too.
it's enough to do ctrl+alt+F6 and ctrl+Alt+F7 to solve, but in some cases even the keyboard do not respond.