If your GPU is sending the BIOS over, but the feed ends when your OS boots up--is it possible your desktop is set to a resolution incompatible with your display?
I will be trying that today when I get a converter; I suspect the video card hdmi output isn't functional (I have no logical justification for it except that I've tried to hook it up to a tv before with no success)
EDIT: [SOLVED] The converter worked. The HDMI outlet on the Video Card is not working.
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EDIT: [SOLVED] The converter worked. The HDMI outlet on the Video Card is not working.