How to Enable Compiz Desktop Zoom Effect in Ubuntu. With the zoom effect you can easily zoom in by holding down the Windows/Super Key and moving the Mouse Wheel. A very useful effect if you have trouble reading the screen or to help read small print. Install CompizConfig-Settings-Manager Open CCSM Enable "Enhanced Zoom Desktop" Assign the following Mouse Shortcuts Zoom In -- Super + Button4 Zoom Out -- Super + Button5. Simple as that... Wallpaper: http://imgur.com/3r3Fx