If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

3) Are you also using the KVM part for keyboard mouse control also? 4) The model Emerson is the SV200 series? So it has 2 DVI out and 4 DVI in?

Microsoft's PowerToys utilities collection has added Mouse Without Borders, allowing you to mouse over to multiple PCs, as well as the Peek file preview app.

KVM for two Macs, dual 4k monitors, 1 keyboard and mouse? Wheelieking Dec 19, 2023 Jump to latest Follow Reply ...

The new KVM docking station is marketed as an all-in-one solution for dual-computer setups, offering support for two 8K monitors at 60Hz or ultra-high refresh rates up to 240Hz.