I Install Mac OS X Lion 10.7.5 on My HP Pavilion Dv4T 1600 and Fully Woking, All up to date,
Before Update - Remove VoodooHDA Kext,Sleep Enabler Kext,Voodoo Battery Kext
After Update -Restart Computer, VoodooHDA Kext,Sleep Enabler Kext,Voodoo Battery Kext,AppleACPIPlatform Kext Place in Desktop...