To set up your Mac, download the Duet Display application for the Mac, and unzip it. Note: This also works with an iPhone, but we'll be demonstrating on an iPad, since that's the most useful device for displaying a secondary screen. Duet Display for iOS that works with all iOS 8 iPhones and iPadsĭuet Display is a two-part application: The OS X component configures the Mac operating system to have two displays, and then it sends the signal for the second virtual display to the iOS application running on your iPad.Duet Display for OS X that works with OS X 10.9 and above.You'll need the following two applications: This means you can have lag-free video on a portal second screen. Duet Display is a new type of application that connects your iPad via USB to your Mac, where your iPad gets juice and also gets a data signal for what to display. However, these utilities have long been plagued by slow wireless connections - that is, until now.
Since the iPad's release, there have been applications that have allowed you to extend your Mac display onto the additional screen of your iPad.