[KVM-810 / KVM-1610] What should we do if the OSD cannot display normally?

1) If the setting for resolution exceeds 1920 x 1440, 60Hz, then set the resolution within the specified range.
2) If the KVM switch is a standalone, then power off the PC. Unplug the special cable of the KVM switch and then power on the KVM switch. Connect
the special cable of the KVM switch and power on the PC.
3) If the KVM switch is connected in series, then power off the PC. Unplug the special cable of the KVM switch. Power on the master KVM switch and then start the slave KVM switch. Connect the special cable to the KVM switch and power on the PC.