How to Share Your Screen: iMac to Samsung TV without Extra Apps

*You may need to make sure you're on the same wifi network as your TV if you have multiple available.

  1. Open up your System Preferences on your iMac

2. Choose "Displays"

3. From the "AirPlay Display" selector, choose the Samsung TV from the list:

4. A window will appear asking for a code, which you'll find displayed on your TV.

Once the code is entered, you should be able to see your screen on the TV.