hi..i have a problem the same you ( Intel HD Graphics + HD5470m )...
Try this Modules Lapic patch - Downloads - OSx86.net
Ok! I'm try make&test it this week
hi giofrida ! please can you help me with rollback AppleCPUManagement.kext and AppleCPUManagementClient.kext i tried to instell Mac OS X 10.7.3 same wiyh you thank you