We purchased three Surface Pro 3s with Surface Pro docking stations and Microsoft Surface Mini DisplayPort to VGA adapters. Two of them are fully setup and are working without issue. The 3rd Surface is a different story.
With the Surface Pro 3 in the docking station and an external Dell monitor connected to the docking station via the mini display port to VGA adapter, when the docking station is turned on it will often (90%+ of the time) come to the "Surface" logo screen and remain there without completing the boot process. IF the Surface has sat over night, it may boot normally the first time, but if you shut it down and try to turn it back on it will hang at the "Surface" logo.
However, if you attach the mini display port adapter directly to the Surface tablet it will boot normally every time.
I've tried multiple Surface Pro 3s. Microsoft has sent me 3 replacement units. Microsoft has sent me a replacement dock. With an external monitor connected to the docking station I continually hang at the "Surface" logo. I've compared driver versions to the other 2 Surface Pro 3s that work normally. There are no differences there. The issue follows me if I place the problem Surface into a known working setup (dock w/ external monitor). I've re-imaged the Surface Pro 3 thinking it might have been a configuration issue.
I'm open to any suggestions people may have.
Thank you in advance for your assistance.