copy 5 kext in to :

/System/Library/Extensions

open terminal :

sudo -s
password : your pass

rm -rf /System/Library/Extensions.mkext
rm -rf /System/Library/Extensions/Caches/com.apple.kext.info

chmod -R 755 /System/Library/Extensions/ATIRadeon.kext
chmod -R 755 /System/Library/Extensions/ATIRadeonX1000.kext
chmod -R 755 /System/Library/Extensions/ATIRadeonX1000GA.plugin
chmod -R 755 /System/Library/Extensions/Natit.kext
chmod -R 755 /System/Library/Extensions/ATIRadeonX1000GLDriver.bundle
chown -R 0:0 /System/Library/Extensions/ATIRadeon.kext
chown -R 0:0 /System/Library/Extensions/ATIRadeonX1000.kext
chown -R 0:0 /System/Library/Extensions/ATIRadeonX1000GA.plugin
chown -R 0:0 /System/Library/Extensions/Natit.kext
chown -R 0:0 /System/Library/Extensions/ATIRadeonX1000GLDriver.bundle
exit

exit

close the terminal

open : /Applications/Utilities/Disk Utility.app

select your disk and reapir the permissions

ENJOY !!