An Explainer Apple: Depending on model of MacBook Pro you may need a dock for a 3rd external monitor and charging, since some models only have 2 USB-C ports. They look similar to a USB port. Once you know which ports your iMac has, you can purchase a monitor that is compatible with those ports. There will be a narrow, horizontal white bar at the top of one the displays on this menu.
Top, bottom, right, left - it doesn't matter.
How to Add a Second Monitor to an iMac
If you already have a monitor you want to connect with your iMac, your first step is going to be determining which type of connector your monitor requires. Welcome to Mac Mondays! Yes No. MacBook Air external monitor connectors. How to set up multiple monitors with your Mac Sign in to comment Be respectful, keep it civil and stay on topic.