extended display

I am having issues being able to extend the desktop to 2 external screens. I just purchased a surface book 2 - 15" with the following specs: - 16GB RAM 1866Mhz LPDDR3 - 8th Gen Intel® Core™ i7-8650U quad-core processor - 4.2GHz Max Turbo and NVIDIA® GeForce® GTX 1060 discrete GPU with 6GB...

Anytime I dock my SP3 into the MS Surface docking station or if I connect an HDMI cable directly from my TV or monitors to my SP3, videos run super slow, roughly at quarter speed and with no sound. This happens when running local .avi, .mp4, etc... via Windows Media Player or the Windows 10...