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Hardware

Set Up a USB-C KVM Switch for Two Windows 11 PCs

Connect two Windows computers to one monitor and shared peripherals using a compatible KVM.

by@guidox updated:10/29/26 time:20 min level:Intermediate works on:Windows 11 25H2 x64, USB-C KVM switches, Compatible USB-C video hosts
TL;DR

Connect both PCs to a **USB-C KVM** and verify switching between shared display and input devices.

Before you start

Requirements

  • Two Windows 11 PCs
  • Compatible USB-C KVM switch
  • Monitor and USB peripherals
  • Required USB-C or video cables
  • External power supply if specified by the KVM manufacturer
Step by step

Instructions

01

Check KVM specifications

Verify that the switch supports your required monitor resolution, refresh rate, USB data, and video connections.

02

Connect the monitor

Attach the monitor to the KVM's display output using a supported cable.

03

Connect shared peripherals

Plug the keyboard, mouse, and any supported USB accessories into the KVM's shared peripheral ports.

04

Connect both computers

Connect the required USB-C and video links from each computer to the corresponding KVM inputs. Supply external power where required.

05

Configure Windows displays

On each PC, open **Settings > System > Display**. Set an appropriate resolution and refresh rate.

06

Test switching

Switch from the first computer to the second using the KVM button. Confirm that the monitor, keyboard, and mouse all switch correctly.

tipA USB-C port must support the required video output mode for a single-cable KVM connection.
Troubleshooting

Common issues

The monitor remains black.

Check USB-C video capability, monitor input selection, KVM port assignment, and cable specifications.

The keyboard works but the monitor does not.

Verify that the computer and KVM support the required DisplayPort Alt Mode or other documented video connection.

FAQ

Frequently asked

Can a KVM support high-refresh-rate monitors?

Yes, if its stated video bandwidth and supported modes meet the monitor requirements.

Does every USB-C cable carry video?

No. Cable capability varies.

How to undo this

Disconnect both computers from the KVM and reconnect the monitor and peripherals directly to their original devices.

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