The problem was solved by powering off the KVM switch and powering it back on. You should remove all USB. Double check that the Desktop mouse driver is fully up to date with respect to the common/shared mouse connected to the KVM switch. Any error messages or pop-up windows? Or just a frozen and/or blank monitor screen?When using a KVM switch, you may occasionally encounter issues related to USB connections. These problems can occur due to various reasons, including: To resolve the USB connection issue, follow these troubleshooting steps: Check USB Cable Connections: Ensure that all USB cables are properly. When I go to plug this into any of the USB-C ports on my Windows 11 desktop machine, I get the following error: Windows has stopped this device because it has reported problems. (Code 43) The USB hub failed to reset.