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XPS 15 9550 HDMI port not recognized

Hello everyone!

I am having some trouble with my XPS 15. It's hdmi port does not recognize any device I plug into it. I have tried multiple hdmi cables and monitors, but to no avail. I have also tried updating the bios and going into the device manager to resolve the problem, but nothing has worked. The hdmi device does not even show up in the device manager (unless I missed it). Could this be a hardware problem or something with the motherboard? I would really love to solve this problem. Thanks for any information you have!

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