To resolve this problem, try powering off and then restarting the KVM switch when everything is connected in the setup. You'll also learn when it might be time to upgrade to a more reliable, feature-packed KVM switch like Avico's. It only says "No Sync Signal See User's Manual". Weirdly enough the User's Manual doesn't actually contain. When I switch between sources, Windows looses the monitor and stops displaying to it. I believe you'd usually need EDID emulation, is there any way to have windows keep rendering when the KVM is switched to. The following are some troubleshooting factors and specific operation suggestions in such cases: Cable Itself: Although this is relatively rare, it cannot be ignored as a possible cause of signal connection failure. Please make sure all connections have been inserted securely and tight enough. So I recently just came across KVM Switches as I wanted to use both a laptop and desktop PC across 2 monitors. I ended up finding this one on Amazon which suited my needs (https://amzn.
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