There are various ways to boot macOS. Aside from using the built-in Startup Manager, you can also boot into Verbose, Safe, and Target Disk modes. In addition to this, macOS users also have an option of picking a disk to boot the operating system from. But let’s delve into something more specific. You’re about to find out how to boot your Mac up directly from external storage, specifically flash storage or a USB-based flash drive. Learn how to create bootable flash drive for Windows 10.
- Create Macos Usb
- Create Usb Boot Disk For Mac Os Mavericks Screen Saver
- Create Usb Boot Disk For Macos Mavericks Free
Why You Need to Boot from External Drive?
Oct 27, 2013 Create OS X Mavericks USB Boot Disk: Method 1 - Duration: 7:22. Serge Siou 122,647 views. How to Make a bootable USB Install drive for Mavericks - Duration: 8:37. Jul 24, 2015 An USB – at least 8Gb or higher. A MacBook to run Disk Utility in OS X. How to create USB installer for Mac OS X Step 1: Download installer of OS X Yosemite, Mavericks, Mountain Lion, and Lion We are still able to download Yosemite from Apple store: Go to Mac Apple Store use your Apple ID and login Find and download OS X Yosemite. Oct 27, 2013 Create OS X Mavericks USB Boot Disk: Method 1 - Duration: 7:22. Serge Siou 122,647 views. How to Make a bootable USB Install drive for Mavericks - Duration: 8:37. Mar 30, 2020 To create a bootable USB drive with macOS, use these steps: Download and install TransMac on your Windows PC. Quick note: This is a paid software, but it gives you a 15-day trial, which is more than enough time. There are three ways you can create a bootable OS X install drive: using a new feature, called createinstallmedia, built into the Mavericks installer itself; using Disk Utility; or using the third. How to create a bootable OS X Mavericks USB install drive. Now that Apple has released OS X 10.9 Mavericks, you might want to consider creating a USB install drive for clean installs and future use.
There are many occasions you may have trouble with your Mac.
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- Corrupted system files and Mac crashes unexpectedly.
- Mac runs very slow with sufficient storage.
- You have deleted some system files wrongly.
- You couldn’t login to your Mac.
- Troubleshooting purposes.
Let’s begin with the obvious question here; what are the basic requirements for creating bootable USB for Mac?
How to Create Bootable USB Drive for Mac?
- USB drive with sufficient storage space.
- Access to a working and supported Mac.
- Format USB to Apple supported file system.
- Get installer file for macOS.
- Create bootable USB.
- Booting Mac from Startup Manager.
If you are not able to login to your Mac, you need to use Time Machine backup disk. Otherwise you should have another Mac for creating a bootable USB.
1. USB Drive
The macOS installer file is large with approximate size of 6 to 10GB depending upon the version. Also the process needs to sufficient storage space on your USB. So ensure to have at least 32GB or greater storage space on your USB drive.
Remember to copy and backup the USB since you need to delete the entire content for creating the bootable drive.
2. An Intel Based Mac
Apple transitioned to an Intel processors in 2005. In other words, if your Mac is not older than 2005, you should be fine.
3. Format USB Flash Drive to Apple File System
First, plug in your USB drive. Press “Command +Spacebar” to access Spotlight, then type “Disk Utility”. You can view the current file system of the USB drive. In our example, we have FAT32 file system which is compatible on Windows. You need to erase and format the USB to be compatible with your Mac.
Click on the “Erase” button on “Disk Utility” and choose the format as either APFS or Mac OS Extended. In most cases, your Mac will show the supported format by default and you don’t need to change it. On older Mac, you will see an additional scheme option, choose “GUID Partition Map”. Click on “Erase” button to continue further.
Disk Utility will delete all content on the USB and format it in the selected APFS or Mac OS Extended format.
4. MacOS Installer File
In order to create a bootable USB drive for Mac, you need download Mac OS installer. Open App Store on your Mac and search for the latest macOS version. Remember, App Store will only have the latest version which is macOS Mojave at this point when we write this article. Search for “macOS mojave” and click on the “Get” button.
This will start downloading the installer file to your “Applications” folder.
5. Creating USB Installer
After downloading, the installer will automatically ask you to install macOS Mojave. Simply quit the installer without starting the installation.
Create Macos Usb
- At this point, ensure you have inserted the formatted USB drive, let’s say the name of the USB volume is “Boot Disk”.
- Also make sure the downloaded macOS installer file is in “Applications” folder.
- Press “Command + Spacebar” and search for “terminal” to open Terminal app.
- Copy and paste the below command in Terminal and hit enter.
- You need to enter admin password to proceed further.
- Terminal will ask you to confirm erasing the volume, press Y and hit enter to confirm.
Ready to start.
Create Usb Boot Disk For Mac Os Mavericks Screen Saver
To continue we need to erase the volume at /Volumes/Boot Disk.
If you wish to continue type (Y) then press return:
- Now the erase disk process will start to copy the installer file on the USB drive. After successful completion of the process, name of the USB drive will be changed similar to the installer file name like “Install macOS Mojave”.
Note that Apple discourages booting with an earlier macOS version than the version your device is shipped with.
6. Boot Mac from USB
Follow the below process to boot your Mac from bootable USB:
- Insert the bootable USB installer drive and go to “Apple Menu > Restart”.
- When your Mac restarts, press and hold the Option key till “Startup Manager” opens.
- The Startup Manager scans and lists the drives that are connected and bootable.
- Note that the Startup Manager will only list volumes that include bootable volumes. If you only see “Macintosh HD” like below then the USB drive is not connected to your Mac or not created properly with the installer file.
Create Usb Boot Disk For Macos Mavericks Free
- Select your Wi-Fi network name from the “Choose Network…” dropdown and enter the password to connect to internet. Remember, you need to have an internet connection for installing from USB as the installer needs to get updates for your Mac from Apple’s server.
- Double click on your USB that contains the macOS installer or highlight it and press the return key.
- You will see macOS Recovery app and choose “Install macOS” option from Utilities.
- It may take long time depending upon your Mac to start booting with macOS Mojave.
Wrapping Up
As simple as the process seems, it tells you a lot about your system. For example, if a USB flash drive that contains a bootable copy of macOS doesn’t show up on the Startup manager, you may need to repair the disk permission. Also, remember to format the USB drive with a APFS or Mac OS Extended format.
That said, now you know how to boot up another version of or a copy of macOS and troubleshoot possible issues with your device.