Then wait for it to finish.ĤRestart QuickTime and try it again. Fix 3: Repair Disk PermissionġIf you receive the alter QuickTime Player quit unexpectedly when it is not working, go to the Disk Utility app.ĢSelect your boot volume, which stores system and pre-installed apps.ģGo to the First Aid tab on the right side and click Repair Disk Permission button. Then set Quality and other options.ĤNow, hit the Record button and QuickTime should work well. The New Screen Recording is used to capture everything on your screen.ģClick the Arrow icon to open the context menu and select iPhone under both Camera and Microphone. Then reconnect them and open QuickTime.ĢGo to File menu and select New Movie Recording. Fix 2: Set up QuickTime ProperlyġWhen mirroring iPhone to Mac QuickTime is not working, disconnect your devices. Part 2: How to Fix QuickTime Player Screen Recording Not Working Fix 1: Update SoftwareġGo to System Preferences from Apple menu, and choose Software Update to check the updates.ĢIf any update is available, click the Update Now button to install it.ģWhen software update is done, restart QuickTime and check whether QuickTime is working on Mac as usual.

Quicktime video on iphone