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This is called hand off It allows you to continue where you left off in an app on one Device when you are accessing another device. It works via the AppleID not the local user. When your Mac computers and iOS devices are within Bluetooth range of each other (about 33 feet or 10 meters), they can automatically “hand off” what you’re doing from one ...


It is impossible to downgrade this Mac to anything less than Yosemite - the hardware forbids it. You have proved this in practice by getting the No Boot sign. As for Pro Tools: from the Avid site: Note: Pro Tools 10.x and earlier (including Pro Tools Express) will not be tested/qualified with Yosemite (or Mavericks). You will have to upgrade your Pro Tools ...


Just open the file BackupName.ext/ComputerName/latest/VolumeName/System/Library/CoreServices/SystemVersion.plist to determine the product version ("latest" is a sym-link). Here is my SystemVersion.plist (it's the original file though and not a file in a backup) opened in PlistEdit Pro. You may also open it with an arbitrary text editor or Xcode:


Yes you can look at the value of the ProductVersion in the SystemVersion.plist file located at, e.g., /Volumes/Backup/Backups.backupdb/<ComputerName>/yyyy-mm-dd-hhmmss/Macintosh HD/System/Library/CoreServices/. The SystemVersion.plist is an XML plist file so, you can just open it in TextEdit, if you do not have a .plist editor and you'll see as an ...


Yes, like on every other computer you can mix the ram sizes. Though watch for the frequences (they have to be at same or higher) and the compatibilites.


The newer imacs support dual channel what means that tou can have 2 different sorts of ram memory. But make sure that there are at least 2 of the same installed so: 2x 4 gb and 2x 8gb should work fine. For more info, thid link


Software can be downgraded only as far as the drivers will go. As the iMac 5k Retina has a rather fancy graphics card that likely didn't exist when they wrote Mavericks, it is highly unlikely you will get anything older to work on it. So, here's what you do: Reinstall Yosemite using the Recovery Partition (or Internet recovery if you already broke the ...


So I swapped the original CPU back in and everything works fine. Oddly, audio in Ubuntu worked just fine with the original processor, but not in Mac OS X 10.10. Thanks for your help, Tetsujin.


What happens when you select Mahmoud's 27 iMac in the Bluetooth menu? Does it show Connect to or Disconnect from Network, or something else? I would bet Mahmoud's iMac is set up to share its internet connection over Bluetooth, which would probably also explain why it's not showing up in the Bluetooth devices list. Try looking under Network in System ...

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