Note 1 : This Is only tested on OS X Mavericks And Yosemite you can try it on older versions if u want but i am not responsible for any bricks
Note 2 : This Is only tested on ATI Mobility Radeon HD 4650 1GB Video RAM it is not recommended to try it on different hardware as it can brick your computer
1- Download Kext Wizard,ATI Mobility Radeon HD 4650 Patch File
2- Open Kext Wizard go to Installation and choose Browse now choose kext files we just downloaded also make sure Backup Kexts That Will Be Replaced is checked and choose this path System/Library/Extensions and then choose disk that you have your system installed on and hit install
3- After its done go to Maintenance and check System/Library/Extensions and then hit Execute
4- Reboot and its all done