Questions & Answers:
Question 1. How to reset the KVM switch? (You can reset the KVM switch when you meet USB disconnect or monitor issue)
Answer: Step 1. Turn off the KVM switch and all of your computers/laptops, then unplug all the cables;
Step 2. Plug the DC5V 2A power adapter into the KVM switch and AC socket, and turn on the KVM switch (There is an o/f button on the back);
Step 3. Plug the keyboard into the keyboard slot of the KVM switch;
Step 4. Click right [CTRL] on the keyboard 2 times, then click [ESC] 3 times, at last click [ENTER]. (The whole operation time should not be over 2s after you hear a beep sound, that shows operated successfully);
Step 5. Plug USB 3.0 cables, and Displayport 1.4 cables into the KVM switch and computers, plug Displayport cable, HDMI cable into the KVM switch and your monitors; plug the mouse into the mouse slot of the KVM switch; plug other USB devices into the USB 3.0 Hub of the KVM switch if needed;
Step 6. Turn on your computers.
Question 2. How to turn off the Beep sound? (Beep sound default turn on, you can turn it on or turn it off by the step)
Answer: You need to keep the HOTKEY ON/OFF key turned on(when it turns on, its LED light), plug the keyboard into the keyboard slot, and make this operate: click right [CTRL] on the keyboard 2 times, then click [B], at last click [ENTER]. (Whole time should not be over 2s, that shows operated successfully when you hear a beep sound.)
Question 3. My gaming keyboard and mouse can't work properly.
Answer: The hotkey function default turns on.
For gaming/mechanical/unified keyboard/mouse, that may be have a compatible issue, if they can't work properly, we suggest you turn off HOTKEY ON/OFF key(when it turns off, its LED light turns off). Or you can plug your keyboard/mouse into USB 3.0 Hub port, and then solve the issue.
Question 4. Why one of monitors without display?
Answer: You should set all of your device's resolution as 4K@60Hz before use. If still can't solve the issue, please use a high-shield Displayport 1.4 cable or a shorter Displayport cable to connect the KVM switch and your monitor.