I'm running Ubuntu 14.04 LTS in VirtualBox under Windows. The screen updating is very slow, especially the effect where it tries to zoom windows and cross-fade between windows. Alt-TAB is almost impossible to use because it is so slow drawing.

I'd like to minimize computationally expensive animations and graphic effects. I do not see appropriate settings in System Settings under Display. Where should I look?


Install Unity Tweak and Gnome Tweak tools.

In the terminal, type:

sudo apt-get install unity-tweak-tool gnome-tweak-tool

To execute them, type tweak in the Unity search bar.

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