This bug was already fixed, it was related to intel drivers, try rebooting, if it doesn't work, run this in a terminal:
sudo apt install xserver-xorg-video-intel=2:2.99.910-0ubuntu1.3+elementary2+r3~ubuntu0.3.1
This bug was already fixed, it was related to intel drivers, try rebooting, if it doesn't work, run this in a terminal:
sudo apt install xserver- xorg-video- intel=2: 2.99.910- 0ubuntu1. 3+elementary2+ r3~ubuntu0. 3.1