#Guide: How to use my ATI graphics card on Mac OS 10.7.5 #Hackintosh

Hi all,



My graphics card is ATI Radeon 4550. I just tried to install kext follow this tutorial:



http://www.osx86.net/desktops/11515-...os-x-lion.html



The installation done with success, mac os detect my ati 4550 card as ATI 4890.















But when i check in the about -> display, it only show my laptop is using Intel HD Graphics.















My question is: How can i do to switch my latop to use ATI Card?







I'm sorry because of my bad English!



Thanks in advance!