Change Media Sharing settings on Mac
On your Mac, use Media Sharing settings to set options for Home Sharing and sharing your media library.
To change these settings, choose Apple menu 
in the sidebar, click Sharing, then click 
next to Media Sharing. (You may need to scroll down.)
Option | Description | ||||||||||
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Media Sharing | The Media Sharing status indicator is green when media sharing is on. Select Home Sharing or “Share media with guests” to turn on media sharing. | ||||||||||
Library Name | The name of your media library (you can change the name). This is the quickest and easiest option. | ||||||||||
Home Sharing | Access your media library on all your devices where you’re signed in to the same Apple Account. Select Home Sharing options:
The Apple TV photo sharing options are:
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Share media with guests | Share your media library with other computers on the same network. For others to access your media library, your Mac must be turned on. Click Options to select sharing options:
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