How to screen mirror Mac to Tv

Hi! Sorry to hear that you are having issues screen mirroring to your tv!

my first suggestion is to make sure your tv is compatible with screen mirroring. You can do this by finding the model of your tv and googling if it supports screen mirroring (there may also be a tv setting that you have to turn on)

my second suggestion: try connecting to your tv using an HDMI cable. This still provides an option to mirror your screen, just using a wire. For some more information, go to Use your TV as a display with Mac - Apple Support

I second the recommendation to use a wired HDMI connection to the TV. but please be aware that if you need to use an HDMI cable longer than about 10 ft, you will want to use an active HDMI cable. they are readily available on amazon or from another source.