chgros

hello everydody well i tried several things but none are working I tried surgey method but i cant get any sound or trackpad working I tried with elan, but i got black sceen after installing 3.5 or 3.7 wifi is ok keyboard is ok whant am i missing ? Do i have to put some kext in System/Library/Extensions ? I tried some tools from niresh or multifail .... but nothing work if i had kext Do i have to clean /extra on HDD before coping everything in it ? Thant you !