I google'd your model. To my surprise you do have an nVidia... it's a 710m... that's interesting to say the least
You could try this:
(do this second)
http://imgur.com/a/6KJBH#87BGUaE
(Replace BF:H with PvZ; it's the same thing)
nVidia Control Panel -> 3D Settings -> Program Settings -> Add Program (PvZ) -> High Performance Processor
-----------
(do this first) You mise well update your Intel Drivers and nVidia drivers while your at it:
Intel:
https://downloadcenter.intel.com/default.aspx
nVidia:
http://www.nvidia.com/Download/index.aspx?lang=en-us
(Tick "clean install" then do the first thing I said about going to nVidia Control panel)