Try to disable your firewall, Miracasat adds a wireless adapter with public firewall rules, if you block all incoming connections on public networks, Miracast dont work.
Hi all,
can anyone test this: http://www.gamerheadlines.com/2014/07/surface-pro-3-undervolting-boost-performance-by-20-reduce-heat-and-noise/
you should get up to ~20% more performance, if it works ....