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OS X Mountain Lion: Share your screen using Back to My Mac

Share your screen using Back to My Mac

If you have an iCloud account, and you have several computers connected to the Internet, you can share the screen of one computer with other computers.

If you have a computer at home that is connected to the Internet, for example, you can share the screen of that computer with a computer you use at work. You can control that computer, move files and folders, open or close applications, and even restart it.

Back to My Mac requires a router that supports NAT Port Mapping Protocol (NAT-PMP) or Universal Plug and Play (UPnP) in order to share services.

Use iCloud to share your screen

Follow these steps for each computer whose screen you want to share.

  1. Choose Apple menu > System Preferences, and then click Sharing.
  2. Select Screen Sharing.
  3. Next to “Allow access for,” choose all users, or only listed users. If you permit only listed users to have access to the screen, you can click Add (+) and Remove (-) to edit the list.
  4. In System Preferences, click Show All, and then open iCloud preferences.
  5. If you aren’t already signed in to iCloud, enter the Apple ID you use with iCloud, and then click Sign In.
  6. Select Back to My Mac.

To stop sharing your screen using Back to My Mac, open iCloud preferences, and then deselect Back to My Mac.

Connect to your remote Mac

  1. To see your remote computers in the sidebar of a Finder window, choose Finder > Preferences, click Sidebar, and then select Back To My Mac in the Shared section.
  2. Open a Finder window. If the Shared section of the sidebar isn’t expanded, put the pointer over it and click Show.
  3. Click the computer you want to use, and then click Share Screen.
Last Modified: Aug 8, 2013
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  • Last Modified: Aug 8, 2013
  • Article: PH11184
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