You may want to verify the correct installation order:
Updating to the latest version of Intel® WiDi
http://www.intel.com/support/wireless/wtech/iwd/sb/CS-031109.htm+
Please note that Intel® WiDi ready systems come with the software preinstalled and enabled by the computer manufacturer and are advertised as such. The system must comply with all the hardware requirements from Intel® which you can find from the links below. Being this a platform dependant technology, for custom built systems or others, Intel® WiDi may or may not work.
System requirements for the Intel® Wireless Display:
http://www.intel.com/support/wireless/wtech/iwd/sb/CS-031059.htm
Intel® provides generic drivers that may not work with some computer models due to customization from the manufacturer; therefore, we strongly recommend getting the drivers and software from the computer manufacturer as they have tested them with your system.