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A:
* First refer to the [official link | https://docs.pikvm.org/faq/#video-problems] to troubleshoot the problem
* Please check the hardware connection. Double-check that the video capture device is connected correctly and tightly.
* Make sure you use the original HDMI port. If your desktop only has a VGA display port, there may be no video signal when you use <b>VGA to HDMI adapter</b>, and there is no way to solve this; However, you can try to lower the resolution and restart the PC to test, but the probability of success is very low.