![]() If you’re an advanced user or someone from the corporate world, this is probably the handiest thing out there, save for WebEx which is one of the more luxurious solutions. Other than having cross-platform functionality, the service also allows for group screen sharing, which is something that OS X does not offer. Skype, a video chat app that’s been around since 2003 and was recently acquired by Microsoft, also allows for screen sharing from Mac to PC or vice versa. Skype has its own solution to sharing your screen. The former will allow you to use any user account you have the credentials to, while the latter will give you access to the one with the Apple ID that you’re using. To actually communicate with a remote Mac, you can perform either a “Connect As” or “Share Screen” operation. ![]() If not, I suggest making sure your router’s settings are correct and you signed in with the same Apple ID on both computers. Any computers you have configured with your Apple ID should appear in the sidebar. If you don’t see it, go to Finder’s Preferences and check the box Back to My Mac. Now that you have everything set up, go to Finder and look in the sidebar for your Mac that’s at home or in the office. If you have any trouble with this then I might be able to help you in the comments, so let me know. You’ll need to consult the device’s documentation or possibly some online forums to enable NAT-PMP and/or UPnP. With third-party routers, however, things are a bit more complicated. Seeing this? It's okay, just pull out your router's manual. If you see an error or warning after the wheel stops spinning, you may need to optimize your router or enable another sharing service in System Preferences. It may take a few moments to set up, so be patient. iCloudĪfter that, head to the iCloud pane and check the box next to "Back to My Mac" - you need to have an Apple ID or iCloud account configured to do this. To use Back to My Mac, you’ll have to enable Screen Sharing and Wake for network services (the latter only if prompted) in System Preferences’s Sharing pane, if you haven’t already done so for the local sharing routine above. You’ll also need an internet connection of at least 300 Kbps in speed, so a dial-up - if anyone still has those - simply will not suffice. To be clear, you need this specific router on the computer you’re sharing, not the one you’re accessing it with. Tip: The Screen Sharing app is available in fullscreen when you’re using Lion or Mountain Lion, but if the resolution of the screen that you are viewing is smaller than the one you’re using to view it with, the app won’t take advantage of the entire screen.īefore proceeding, please be aware that you’ll need a router that supports NAT-PMP (NAT Port-Mapping Protocol) or UPnP (Universal Plug and Play) to share your screen over the Internet. If you’re not seeing your computer in the Shared section of the sidebar, go to Finder Preferences (CMD + ,), click the Sidebar pane, and check “Connected servers” and “Bonjour computers” under the Shared section. Click it and then click “Share Screen…” and sign in with your account on that user’s computer to initiate a screen sharing session. If you happen to be using a Mac, just go to Finder and look for your computer in the “Shared” category in the left sidebar. ![]() ![]() To actually view your computer from another device, you’ll have to write down the IP address, unless you’re using another Mac. I personally use the password option because then I can access my computer’s screen from my iPad or iPhone without worrying that another user on the network is allowed to do the same. Various options are then made available to you: whether you’d like the remote user to be given access to all users or just one and “Computer Settings…”, which has a checkbox for letting anyone request permission to view the screen and for password protecting the VNC feature. You might want to configure things to your liking.
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