options asus-switcheroo dummy-client=1 
blacklist nvidia

install nvidia /sbin/modprobe asus-switcheroo ; /bin/echo DIS > /sys/kernel/debug/vgaswitcheroo/switch   ; /sbin/modprobe --ignore-install nvidia
install i915 /sbin/modprobe i915-jprobe; /sbin/modprobe --ignore-install i915