[hdmkv]

Hallelujah! ... nothing to be embarrassed about. AVR's, switchers, etc. can mess up HDMI signal pass-through. Had to learn that myself, and test via direct connection to display just to rule out gear in between.

Adding NUC5i5RYH NUC to spreadsheet in post #1 in just a bit. BTW, which graphics/audio drivers worked best for you?

BTW, lip-sync error shouldn't be an issue w/April 20 build... try enabling/disabling 'Use fullscreen window'.