launchpad

How to change the level of BG blur of Launchpad in OS X Yosemite? Is there any possible way to do that?

Hallo, I just got my first Hackintosh running, everything works fine Ethernet, Audio, 1920x1080 Resolution and so on... expect for my Graphics Card (msi GTX 770), it has really bad performance, for example the Launchpad is launching really slowly with some kind of vertical Stripes. also as you...