#How to use tcl roku tv screen mirroring on my pc driver#
Try reinstalling the driver or using a different video card”, it means the Miracast feature is unavailable. If you see the message “Your PC can’t project to another screen. If you see a window like the following screen, it means your computer does support Miracast. You will see a pop-up window appearing on the right side of your computer screen. Way 1: using the Windows + P shortcut key There are three ways to check if your Windows 10 supports Miracast.