I just built a new Windows 10 x64 DAW. Major Components are: Core i7-6850K 3.60GHz, 32GB DDR4, ASUS X99-DELUXE--II MB, AMD R7 250 GPU. I can't get my MPK49 USB 2.0 MIDI keyboard to work.
The MPK49 shows up reliably in Device Manager (DM) under Sound, video and game controllers and when I...