These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...

Now, let’s see these in detail. However, if that doesn’t help uninstall the external display adapter if your device has one. This is because when a discrete graphics card is added to the system, it ...

Cycle TV inputs first — you may be on the wrong one. Swap the cable to another device to see if the cable or device is faulty. Inspect the HDMI for frays or exposed wires; braided cables resist damage ...