I have bought a HDMI to Displayport cable on the assumption that it would just work, but it doesn't. As this is my first foray in to the displayport territory I am stumped. I am using a Dell U2412M ...
I have a Dell U2720Q monitor that accepts HDMI 2.0, DisplayPort 1.4 and USB-C. I use USB-C because the monitor acts as a hub for a range of peripherals (keyboard, mouse, webcam, speakers, etc.etc) and ...
There is a possibility that an outdated and corrupted display adapter driver is causing the problem. You can download the display adapter driver from its manufacturer ...