I experience a Bug where the login screen doesn't work correctly after I closed the laptop lid. When i open it again the login screen appears and I can move the cursor but I cannot click anything or enter something via the keyboard. The only thing I can do is killing it and restart -> then everything works normally. The bug does not appear when I logout without closing the lid. But if I log out and close it afterwards the same problem appears.

I use a Sony Vaio with an Nvidia Geforce and an Intel i5.


You can try installing proprietary drivers for your video card.

Goto System Settings >> Software and Updates

Click on Additional Drivers tab Choose the Proprietary driver with Updates

Click on Apply Changes

Reboot, and try again.

  • Thx solved the problem – FourKP Sep 12 '14 at 18:00

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