The next thing you can use Disk Utility’s partition tool for is to erase all of the volumes on a Mac or external disk drive and create new ones. This can be helpful if you wish to change the partition map of a USB, Thunderbolt or other type of storage device from Master Boot Record (for Windows Partitions formatted as MS-DOS FAT or ExFAT) to. To boot from your external Sierra drive, plug it into the Mac in question, press the power button, and hold the “Option key until the recovery disk screen appears. From there, you can select your external drive and click the arrow to boot into it for that session.
Looking for a way to install and run OS X on an external hard drive? This can be useful for a couple of different reasons. Firstly, it allows you to run another copy of OS X without needing any additional Mac computer.
Also, since you can run a full copy of OS X on the external drive, it can be used for troubleshooting purposes on other Macs or it can be as a kind of virtual OS X. I’ve already written about how you can install OS X in VMware Fusion, but that takes up space on your Mac. Using an external drive, you can save space on your Mac, though it might be a bit slower if you are using USB 2.0.
In this article, I’ll walk you through the requirements and steps to install OS X onto an external hard drive.
Format External Hard Disk
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The first thing you’re going to need to do is format the external hard drive properly. The file format has to be Mac OS X Journaled and you have to use the GUID partition map. To do this, open Disk Utility and connect the drive to your Mac.
Under External in the left hand menu, click on your external hard drive and then click on the Erase button. Make sure you backup any data before you erase the drive. When you click Erase, a dialog will pop up where you can configure some options.
Give your drive a name, choose OS X Extended (Journaled) for Format and GUID Partition Map for Scheme. It should only take a minute or two for the drive to be erased and reformatted. Now your drive is ready for OS X.
Install OS X
There are two ways you can install OS X on to your external hard disk: by reinstalling OS X from the OS X Utilities repair screen or by downloading OS X from the App Store and running the installer. I’ll show you both methods in case one isn’t working for you.
The easiest way is to download OS X from the App Store. Once you open the App Store, you’ll see a link on the right for the latest version of OS X (El Capitan as of this writing).
Go ahead and click the Download button to start downloading the installer. Note that if you already have that version of OS X installed, you’ll see a popup message appear asking if you still want to continue or not. Just click Continue.
Once it has been downloaded, just double-click the installer, which will be located in the Applications folder.
Silvercrest video grabber mac software 2017. Keep clicking past the license agreement, etc., until you get to the screen that asks you which disk to install OS X on. By default, it is set to MacBook.
Click on the Show All Disks button and you’ll see an icon for the different disks and partitions on the Mac. I named my external hard drive OS X and that shows up in the middle.
You can also tell it’s an external hard disk because it uses the icon with the orange hard drive. Click Continue and then follow the instructions to complete the installation. Note that your computer may restart during the install and you don’t have to do anything. OS X will automatically continue installing onto the external hard drive rather than booting up to your internal version of OS X.
At the end of this article, I’ll show you how to boot up to the external hard drive, so skip down if you ended up using the App Store method. Note that by default, the Mac will start booting up directly to the external hard drive until you change it.
The second method to install OS X is to restart the Mac and press and hold the COMMAND + R keys. This will load up OS X Recovery.
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The OS X Utilities screen will appear and here you want to click on Reinstall OS X. Again, you’ll go through some basic screens, but when you get to the hard disk screen, click on Show All Disks again.
Using this method, you’ll have to login using your Apple ID and password so that the entire OS X installer can be downloaded off of Apple’s servers. Whichever method you choose, it will take anywhere from 15 to 30+ minutes to install OS X onto your external hard drive.
While OS X is installing, your computer will restart a couple of times. Note that when it finally boots into OS X, that is the version running off your external drive. To switch back and forth between the internal and external drive, you have to restart your computer and hold down the OPTION key.
When you do that, you should see at least four icons. In my case, I have five because I have Windows installed using Boot Camp. Anyway, the grey MacBook and Recovery 10.11.2 icons are for my internal OS X and the orange OS X and Recovery 10.11.3 are for the version installed on my external drive.
Use the arrow keys to select which drive to boot from and then simply press Enter. If you have a newer Mac and a USB drive that supports USB 3.0, everything should run fairly fast. Overall, it’s a fairly straight-forward process and took me less than an hour to get everything working. If you have any questions, feel free to comment. Enjoy!
When there are several partitions on your hard drive, and you need one bigger than the other on a particular drive to handle more data in it, you need to know methods to use to resize partitions on Mac. In this article, we'll talk about rules of resizing partition for Mac and how to backup data before resizing partition. Most importantly, you'll learn how to resize partition on Mac with Disk Utility.
1. Backup Important Data Before Resizing Partition on Mac
2. Resize Partition on Mac with Disk Utility
1Rules of Resizing Partition for Mac
If you want to resize a partition for your Mac without erasing data, there are some rules you need to follow. Ensure you pay attention to these rules for maximum results.
The last partition on a drive cannot be increased. However, it can be deleted.
When a particular partition is deleted, the space from it is added to the previous partition.
Fusion drives can be quickly resized with the version of Mac Utility Disk used for its creation but not with an older one.
Before you resize a Mac volume, remember to back up the drive because resizing may need you to delete partitions
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Trying to use pie charts to resize a volume is quite difficult to achieve. It is better to use optional sizes rather than using pie chart dividers.
If you want to increase a particular volume, then the volume next to the affected volume must be deleted to free up more space.
2How to Resize Mac Partition without Losing Data?
To keep your data safe and intact, make sure that you've backed up your data before resizing partition. Here we recommend a backup and recovery service - AnyRecover Data Recovery for Mac, which is a unique software developed by iMyFone team to help Mac users recover data from their disk. With AnyRecover unique algorithm, you can backup your data from a partition on Mac easily.
Key FeaturesPowerful Partition Recovery: Back up files from partition on Mac and recover all your lost files no matter how they were lost, such as format, resize, accidentally delete, etc.
Recover All Kind of Files: AnyRecover is a great software you can use to recover any file type. Whether it is documents, photos or videos, AnyRecover is the right tool for the job
Safe and Reliable: AnyRecover can recover your files safely without overwriting your existing files.
Supports All Mac OS: AnyRecover supports all Mac OS including macOS Mojave, macOS Catalina, macOS high sierra, and more.
Backup Important Data Before Resizing Partition on Mac
Firstly, download and install the software for Mac, then launch the software on your Mac.
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Step One - Select the Path of the File Location
Set the path of data location where you want to get your lost files. Click the 'Start' button to begin the process.
Step Two - Scan the Selected Path
The program will start an All-Round scan on your selected location, once the process is done, all your lost files will be listed out in respective file types.
Step Three - Preview and Recover Lost Files
Before you recover the files, you'll have to preview them to be sure that you've selected the right files. Then click the 'Recover' button.
Now you're ready, without need for worrying about data loss, continue reading to know how to resize partition on Mac by using the Disk Utility.
Resize Partition on Mac with Disk Utility
Mac Disk Utility is a powerful built-in application in Mac OS that has undergone a series of changes with every major OS update.
Many Mac users have complained that using Mac Disk Utility to resize a Mac Volume is no longer easy. However, being an experienced Mac expert, we feel its interface is user-friendly and easy to use. Apple has come up with a well-arranged Mac Disk Utility interface that will make enlarging/resizing of a Mac Volume to be easy.
Steps to Resize Mac Partition
Step 1. Navigate through your menu and open Mac Disk Utility.
Step 2. When Mac Disk Utility opens, select the drive you want to resize.
Step 3. Then select Partition on the toolbar to resize the Volume of your choice using the Utility tool. A pie chart will open showing free space and space occupied by each Volume. Where is serene screen app on my mac pc.
Step 4. For a volume to be enlarged, another one has to be deleted. So, choose the Volume you want to delete on the pie chart.
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Step 5. Delete the Volume of your choice and tap the minus icon below the pie chart. The pie chart will give you a warning message about what you've done.
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Step 6. If you're satisfied, tap Apply or tap Cancel to delete another Volume.
Step 7. Automatically, Mac Disk Utility will add up the freed space to the Volume instead of the deleted one. However, if you want to customize the Volume sizes, you can select the Volume, specify its size then hit Revert/Return. You can create a new Volume in the leftover space.
Step 8. Drag the Pie Chart to adjust the size of each volume. When the Volume is adjusted to the size you desire, click Apply, and that's it.
However, there are times when disk utility can't resize partition. Don't worry, there are also solutions available. Refer to this page and you'll get it fixed.
Conclusion: Who would have thought that backing up important files from partition or enlarging Mac partition can be done effortlessly? Well, with AnyRecover for Mac, you can also recover all your lost files which are formatted with a 98% recovery success rate. So, when next you're having problems recovering a deleted file, simply go for AnyRecover.