Solution: First, check if the switch's power indicator light is on and ensure the power source is properly connected. If there's a power switch, make sure it's in the “On” position. Problem 4: Certain displays do not show when using a KVM switch for your multi-screen setup. Common issues include missing video cables, adapter compatibility, and operating system settings. I hope displays is also the right place for this question 😛 I'm trying to connect a Fujitsu FD-1008AT to my server but l am having some issues. The good news is that most of these problems can usually be improved once you understand what's happening behind the scenes. A seemingly simple device designed to streamline your workspace, letting you control multiple computers with a single keyboard, video output, and mouse. It's a marvel of efficiency, a bastion against desk clutter.