Confirmed in xubuntu 16.04 xenial. With Toshiba Satellite L505-SP6984R which has an Intel Video Card: GMA 4500M. I can confirm that switching virtual consoles do solve the problem.
It happens when suspending the system or just locking the screen.
Confirmed in xubuntu 16.04 xenial. With Toshiba Satellite L505-SP6984R which has an Intel Video Card: GMA 4500M. I can confirm that switching virtual consoles do solve the problem.
It happens when suspending the system or just locking the screen.