I know these work as I have 16GB as well. I booted up my bootable USBStick for VMware ESXi and it worked fine. How long ago did you pick up the Kingston kit. Why not return them and purchase these:
Crucial Technology 16GB Kit 2X8GB PC3-12800 1600MHZ DDR3 204PIN SODIMM Unbuffered #CT2KIT102464BF160B