Upgrade CS1754/CS1758 firmware to V3.9.385 or later should solve the issue.

 

To upgrade the firmware, please download the firmware and manual from 

https://www.aten.com/global/en/supportcenter/downloads/?q=CS1758

Please check the manual of CS1754/CS1758 for how to upgrade firmware.

If the issue persists, please contact our Tech Support for assistance.