Hello, I need a kext for this too! It is unbearable how it works. It's slowing down the whole system! my specs: Lenovo G555 Laptop Processor: AMD Athlon II M320@2.1 Ghz Ram: 4 GB single slot installed Video: ATI Mobility Radeon HD 4200 Audio: Conexant Audio WI-Fi: Atheros (not working) Ethernet: Broadcom (working) All is ok excepting video and wifi. Please help me or if someone can put a set of instructions or guide in how to fix this it would be excellent. My lunch pad has an orange look.