2 ms·

You can if the laptop is a Mac: https://www.macobserver.com/tips/how-to/imac-secondary-display/ https://www.macobserver.com/tips/how-to/imac-secondary-displ...

• scarface74 7y ago
  That hasn’t worked since the 2013 iMacs.
• gyc 7y ago
  I do not believe this works on the 5K iMacs.