Try disconnecting and reconnecting your iPhone if it doesn't appear it should then do so. Your iPhone should show up in the drop-down menu under Camera when you click the down arrow next to the Record button in the movie window. Go to File > New Movie Recording after starting the program.

Open Launchpad after connecting, then pick QuickTime Player. If you haven't done this in a while, you might need to start by tapping the iPhone's Trust prompt. Get a Lightning cable, then connect your iPhone to your Computer. There is only one restriction: A USB connection to your iPhone is required. Mac users have it simple because the QuickTime video player is already included in your laptop and provides this feature. How to Mirror Your iPhone Screen to a MacBook You may always opt to ignore the nag screen even though LonelyScreen promotes a free trial in our experience, the trial doesn't seem to be time-limited (though the screen may re-appear occasionally as you use it). From there, you may enlarge the window for a closer look and select Record by clicking the arrow in the bottom-right corner to reveal a recording button. Not seeing it? See the troubleshooting page for LonelyScreen(Opens in a new window) it can occasionally be a little tricky. Your iPhone screen will start to show up on the Computer as soon as you touch the Screen Mirroring button and choose your LonelyScreen laptop from the list. If you can't find it, you may need to add such a button from the iPhone's Settings. Open the Control Center on your iPhone, then touch the Screen Mirroring button. Launch LonelyScreen after installation, and then click the title to alter the AirPlay server name (I used 'Whitson's Laptop'). It's a simple program that only does one task: It makes your iPhone believe that your Computer is an Apple TV. There are several applications that provide this feature, however, LonelyScreen is a simple free-casting option ( Opens in a new window). IPhone owners must download a third-party app to cast their phone to Windows because of Apple's walled garden ecosystem.

Mac emulator iphone