1. Insert the DC/5V adapter into the KVM; 2. Plug the DP/HDMI cable into the KVM and monitor; (Output) 3. Plug the DP/HDMI cable and USB cable into the KVM and your computer/laptop (DP/HDMI cables are not included) (Input) DP IN1 + HDMI IN1 + USB IN1=PC1 DP IN2 +HDMI IN2 + USB IN2=PC2 DP IN3 + HDMI IN3 + USB IN3=PC3 DP IN4+ HDMI IN4+ USB IN4=PC4 4. Insert the mouse and keyboard into the KVM switch 5. If needed, you can connect a microphone and audio port
Note: 1. Most of the reasons why only one video output works is because of an incorrect connection. Please make sure each computer has 2 HDMI cables connected 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. Before purchasing this DP/HDMI dual monitor KVM switch, please make sure that connecting your computer directly to the monitor can work normally, Otherwise, the KVM will not be available. 4.
Note: DP/HD-MI cables are not included