ISSUE
No image on board despite choosing source connection (HDMI or VGA)
Powr light is amber. No connection.
CAUSE
Could be wrong cable being selected or connected.
Aver visualiser has VGA OUT connection on the back which should connect to the board.
This is unless the board does not support VGA in which case it will use the HDMI connection.
Visualiser could be using the wrong port also.
SOLUTION
Connect the correct cable via the correct socket to the board.
Push the slider from TV to RGB on the side of the visualizer.