Once the drive is unmounted, select the full disk in the left sidebar (labeled “UFD 3.0 Silicon” here)-not the sub-disk(s) under it (labeled “Untitled” here)-and click “Erase” in the top row of buttons.įrom the resulting dialog, format your device as “Mac OS Extended (Journaled)” and use the scheme “GUID Partition Map”. If there is anything you want to save, make sure you back it up first! WARNING: Before proceeding, understand that formatting will obviously erase everything on your device. In our case, our drive is partitioned using Master Boot Record rather than GUID. Once Disk Utility is running, click on your external device in the left-hand pane and check the partition map. Disk Utility can be found in the Applications > Utilities folder or by searching for it using Spotlight. To check what format your drive is using (and change it), you’ll need to launch your Mac’s Disk Utility.
![mac new hard drive os install mac new hard drive os install](https://cdn.osxdaily.com/wp-content/uploads/2014/10/choose-disk-utility-os-x-utilities.jpg)
In order for your external device to function as a startup disk, it must be formatted as Mac OS Extended and employ a GUID partition map. You can check and install it in parallels successfully. Under “Previous buys“ or "previous bought" is a working Link where the Download is working. Important Tips: If you download and install macOS Sierra through other sources, your Mac might pop out a message that "Downloading macOS Sierra the way in your Link is Not possible when your have High Sierra installed (because the file System)". Make sure you click “Download” and let it save to your Mac’s hard drive.
![mac new hard drive os install mac new hard drive os install](https://i.ytimg.com/vi/PBkHKeRAo04/maxresdefault.jpg)
It's worth noting that you should download the macOS Sierra installer in the App Store under “Previous buys“ or "previous bought".
#MAC NEW HARD DRIVE OS INSTALL FOR MAC#
#MAC NEW HARD DRIVE OS INSTALL HOW TO#
In the following guide, we would show you how to install and run MacOS X 10.12 from an external hard drive as an example.
![mac new hard drive os install mac new hard drive os install](https://4.bp.blogspot.com/-bLorlPjK5Wc/VxiZmt7ZyNI/AAAAAAAAIrM/o6DTRYkDABIuCOfGgAQREuIlyIKpzIoLQCLcB/s1600/WolfQuest.jpg)
Currently, if you only have a Mac computer with macOS High Sierra or above and couldn't find a Windows computer to use our Windows version, you can still try to install and run Mac OS X 10.12 or 10.11 on an external hard drive to make M4VGear work under old version of Mac OSX. Our developers are working hard to fix this problem and it needs to take some time. We would post the latest news about our pragram on our Facebook once we find solutions to fix the issue. We are really sorry that M4VGear doen't support macOS High Sierra or above now. How to Install and Run Mac OS X from an External Hard Drive?