External USB-C monitor stop working randomly

I had this problem randomly. Mostly when I disconnect monitor and then for a while replug it. Haward: Dell Latitude 7490.Monitor: Dell 2719DCUbuntu 20.04Cable: Compliment the Dell Monitor. Using Display port via USB-C as a hub for keyboard and mouse. Ubuntu still detect power and keyboard and mouse and usb hub. But no signal to … Đọc tiếp External USB-C monitor stop working randomly