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No, VGA ports on a laptop are output only.


I think your trouble is partly related to using the overloaded, usually inappropriate word "pro" instead of "broadcast". Marketing departments love using the first word, but when you think about it, that word doesn't describe the type of work, nor the level of quality. The rest of your trouble may just be unfamiliarity with this kind of hardware, which is ...


To expand on AJ Henderson's answer, it would be extremely rare to find combined output/input ports for A/V on a computer, and certainly not combined input/output VGA. This is because the underlying technology to receive and process video is very different to that required to send it and uses high-frequency electronics which tend to be very picky about how ...


You need something like the Blackmagic Multiview: or Matrox Quad-Split or Decimator MD-QUAD These units take HD-SDI input and can then display it on a HDMI (or SDI) ...

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