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#21
I ran into a similar issue when I finished the install of Windows 10. However, that was when I noticed the issue with all my peripherals not functioning as they should. Which lead to satisfying my curiosity. If you are running the monitors through a video card [I have an EVGA GeForce 750ti powering two HDTVs and a Cintiq], reinstall the drivers and everything should work itself out. That was what I mentioned in my post above. Microsoft decided that the OS would override any third-party drivers for peripheral devices on the machine. Once you install, you just have reinstall all of the driver software for those devices. It is another step, and for desktop users it is making it glaringly obvious that Microsoft is not catering to us anymore. If it is not mobile [or have the ability to be mobile], they are not worried about it. Anyway, give that a shot and see if it works for you. Honestly, waiting a month or two would not have solved that problem, I imagine.
Cheers!