Thx Helpstar,
Onkyo is TX-SR804
yes tried a different HDMI port (have 2 input ports, both work for cable TV)
yes, unplugged the stick, turned on projector, plugged stick back, no luck
not sure about the 1.3a HDMI standard; 1.3 is capable of handling 1080p I thought.
not sure about the splitter...