Open the Copilot's app menu from the right and click the Uninstall button. Open the Copilot download page. (Optional) Open ...
If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...