cd "C:\Program Files\Oracle\VirtualBox\" VBoxManage.exe modifyvm "VM NAME" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff VBoxManage setextradata "VM NAME" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac19,3" VBoxManage setextradata "VM NAME" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0" VBoxManage setextradata "VM NAME" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Iloveapple" VBoxManage setextradata "VM NAME" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" VBoxManage setextradata "VM NAME" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1 Also Add This Command only if you are using an AMD CPU. VBoxManage modifyvm "VM NAME" --cpu-profile "Intel Core i7-6700K" Other Valid CPU Profile: Intel Xeon X5482 3.20GHz Intel Core i7-2635QM Intel Core i7-3960X Intel Core i5-3570 Intel Core i7-5600U Intel Core i5-4570 www.emathja.com