Note:
1. Most of the reasons why only onevideo output works is because of incorrect connection. Please make sure eachcomputer have 2 HDMI cables connect to the KVM.
2. If the KVM switch does not work, you can turn off the switch on the panel and turn it on again after 2-3 seconds, and it will return to normal.
3.Please check the HDMI IN and USB IN is corresponding, HDMI OUT A, HDMI OUT B is corresponding, NOT support mixed insertion.
4.Note: HDMI cables are not included