road hog playback wing

I bought a new road hog playback wing and a new iogear usb vga adapter.

However, once in a while, when I turn the wing and board on, I only get a black screen on the wing after I enable it.
The only way to get a video output on the wing is to plug an extra monitor I have into the output of the board then plug it back into the wing, then it works.
This is such a pain.

Is there any way to fix this?

Thanks
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