This product worked for me. Seller must upload full customization image. The mistake I made when connecting the KVM switch was that I didn't connect the USB cables to my computer. I only connected via HDMI which causes input devices like mouse and keyboard not to work. So if you connect HDMI to the back of the computer, remember to connect the USB cable to the same HDMI cable on the back of the same computer to enable your mouse and keyboard.
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