My guess would be, the KVM is a purely passive device that supports and supports only the DP standard (including dual-mode, a. DP++), therefore it will workDual monitor setups require two video connections to the KVM for proper display. 4 KVM! With these nifty little devices, you will be able to display AND charge a Macbook or other device through 1 cable, and seamlessly switch between it and your PC! If you have any questions, or want more info, check. I recently bought a KVM switch to easily toggle my computer setup with 2 monitors between my work laptop (Lenovo thinkpad) and my personal PC (custom gaming PC from iBuyPower). You can contact us. Problem 4: Certain displays do not show when using a KVM switch for your multi-screen setup. With the gaming rig everything works fine, but when the laptop is used, it only uses one of the two available displays.