Solution: This issue may be because of the unstable connection between the KVM switch and the monitor. Check your cables to see if there is any faulty one, and make sure they are not loose and are all well plugged into the port. Signal Degradation or Interference KVM. In single monitor setups, display issues like “KVM not detecting second monitor” can occur due to incorrect connections or incompatible adapters. Verify that the correct video input is used and that the adapter matches your system, whether you're using USB-C, HDMI, or DisplayPort. How to power cycle: Unplug everything. That's right, even unplug your monitor's power cord from the back of your. Belkin Secure KVMs and KMs can set a per-channel color for easier network identification. Our 2nd Generation Universal KVM models, Modular KVM, and Modular KM models support color configuration for the Belkin F1DN008KBD Keyboard, and the 2nd Generation Universal KVMs support channel coloring via. Yeah sounds like a bad video connection, if it's VGA make sure none of the pins are bent on the cable and that it's properly plugged in, but you're probs just better off replacing it if reseating it doesn't help, they're cheap anyways Check the INTERNAL wiring as well, there should be a ribbon.