Switching two monitors between computers requires a map of the video and peripheral routes. A switch that handles two screens for one host may not support the desired modes or USB devices for another. Draw the arrangement before buying equipment, including which computer controls the keyboard, mouse, camera and audio at each position of the switch.
Map both video paths for each computer
List each host's native display outputs and simultaneous external-screen limit. Then trace a separate supported route to each monitor. Two input sockets on a switch do not create an additional display stream for a computer that supplies only one. Likewise, a dock that works with one operating system may use a display technology with different support on the second host.
Record the required resolution and refresh rate for both screens together. Check the switch's documented capabilities for that exact combination, including any adapters and cable-length limits. Marketing shorthand about a maximum resolution can describe a single screen or a lower refresh rate, so use the detailed mode table when comparing products.
Decide whether the monitors' own multiple inputs are sufficient. Selecting inputs on each display can be practical when switching is occasional, but USB devices may still need a separate route. Automatic input selection can behave unexpectedly when both computers are awake. A deliberate manual selection may be clearer than relying on whichever source becomes active first.
Include USB, charging and display recognition
For a keyboard-video-mouse switch, inspect the USB requirements as carefully as the video specification. A basic keyboard and mouse route may not provide the bandwidth or compatibility needed by storage, a camera or an audio interface. Check whether the switch changes all ports together and whether either computer loses access to a device during the transition.
Charging is a separate requirement. A USB-C connection that carries video and peripherals does not automatically provide the power required by both hosts. Document each computer's supported power path, and confirm whether charging continues when it is not selected. Use the supplied or approved arrangement rather than assuming the switch behaves like a full-featured laptop dock.
Test how each operating system responds to a switch. Some equipment preserves display identification while other devices appear to disconnect the screens, which can move windows or change layouts. Save work and test sleep, wake, startup and repeated switching with both computers. Check that the two intended desktops return at their recorded modes without inaccessible dialogs.
Label the sources and write a short switching procedure for anyone sharing the desk. Include audio and camera selection, since a successful picture does not prove those devices followed it. Keep direct connection instructions available as a recovery path. The arrangement is ready when both hosts can enter and leave it predictably, with their actual workloads and supported modes intact.