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Here we have penned down easy to follow guide for you, it is about to create and boot from a Linux USB drive on Mac.
- In previous versions of MacOS, I recall that Disk Utility provided an option to select the partition scheme (GUID, MBR, or Apple). If I formatted the USB key without changing the scheme to MBR, I could not read it on a Windows machine. But now there is no option in High Sierra. How do I format the USB key with FAT and MBR?
- Aug 30, 2016 Some Mac users may require the ability to erase a disk or erase a hard drive from the command line on Mac OS, a task which is typically performed through the Disk Utility application from the GUI. The command line approach to disk erasure in macOS is a bit different and it requires precise syntax to insure that you are erasing the proper disk, making this method of erasing any disk only.
Disk Utility hides the GUID format option by default Click the View widget in the upper left corner of the Disk Utility window and choose Show All Devices. Now you should see your drive device. Mar 30, 2020 Enter a name for the drive, such as “macOS bootable USB” and click the OK button. Click the Yes button. If the formatting completed successfully, click the OK button. Right-click the USB flash drive, and select the Restore with Disk Image option.
So, let us have a look at the details of this process. If you have just bought a MacBook Air, then make sure that you do a dual boot, Mac OS X, completely and thoroughly with Ubuntu Linux.
Furthermore, if you are using Windows, then this bootable process comes out to be fairly easy and simple. It does not any involve many technicalities.
Moreover, if your MacBook Air does not have a CD drive, then you can go on creating a live USB right there in Mac OS X. Now, coming to the main topic of this piece of writing, below you read the desired and needed details:
Method to Create and Boot from a Linux USB Drive on Mac
This is a tricky and a little bit of complicated procedure if you want to carry out a booting process from a Linux USB drives!
But if you are going to follow the below-mentioned steps, then we are sure that your job will become an ease. We have divided this guide into a certain and specific number of steps.
Still, if you have any question on this booting process, then you can ask from us! This whole guide and method are based on seven steps.
And it is not expected from you to skip any of the steps. Keenly follow this guide and boost from a Linux Usb drive on any Mac system model of yours.
Step 1: Formatting the USB Drive
The very first step is that you have to carry out and do the formatting of your USB drive. In this Mac OS X, there you are going to see specific kind of file system that needs formatting from your side.
Apple demand from its users to follow these standards and rules and you need to follow them too. This file system is called and marked with the name of Mac OS Extended or it is identified with the name of HFS Plus.
Hence, in this step, the concerned user has to be format his USB drive in the form and version of Mac OS Extended format.
Simply plug in the USB key and there you need to access the Disk Utility program. Choose the USB drive that you want to be formatted.
After that, hit on the tab that states the Partition tab and selects 1 Partition. Now, you can change and revise the Format right to Mac OS Extended.
Most importantly, you have to make sure that the partition scheme is available in the form of a GUID Partition Table. Finally, click on the Apply button and get started on formatting the USB drive of yours.
Step 2: Downloading Ubuntu Linux
Moving to the second step of this guide, now you have to do the downloading of ISO image of Linux desktop.
What you can do is to visit and reach to the Linux website. There you can download any of your favourite and desirable Ubuntu desktop OS. Besides, if you are making use of Macbook Air, then it is important for you to get the 64 Bit version.
Step 3: Converting ISO Format to IMG Format
You have to keep in mind this critical point that the file you have downloaded, it is present in ISO format. Now, you need to convert and transform this file all into IMG format.
For this conversion job, you can make use of hdiutil command tool. Once the file is going to be successfully converted, then then your file will show extension in the form of IMG.
Step 4: Getting the Device Number for the USB Drive Of Yours
In the fourth step, the user has to get hold of the device number of USB. For this step, you have to run a specific and particular command.
Once you enter the command, then a list will be provided to you in which you will get all of the disks information that is installed in your system.
You can identify and know about the USB disk of yours on the basis of its size. Still, if you think that there are chances and probability of confusion, then it will better if you plug and insert just one USB drive. As soon as you get the disk number, then the next proceeding is going to be started.
Step 5: Creating the Bootable Version of USB Drive
Now you have entered into the process of creating and developing a bootable version of the USB drive. You can use add command in this regard.
This is one of the powerful commands that you can use and try out. Furthermore, you need to use it with much care and caution.
If you fail to remember the USB drive number of yours, then there is a chance that you may corrupt and infect your Mac OS X system. This step will take a few of the minutes of yours to proceed and move onto the next step.
Step 6: Complete the Process Linked to a Bootable USB Drive
When you see that this specific command known as dd command is done with its processing, then you will get a dialogue text box.
This box will communicate a message to you that the disk that you inserted, it failed to get readable from your PC computer system.
Upon getting this message, there is no need to click on the options that states Initialize, Ignore or on the button of Eject just now.
Simply access the terminal and use the respective command for the sake of ejecting your USB disk. Once it is going to be ejected, then you can click on the Ignore button present in the dialogue box.
![Format Usb For Gpt Bootable Macos Format Usb For Gpt Bootable Macos](/uploads/1/2/6/5/126579069/860845664.jpg)
On this step, your bootable USB disk is all set and ready.
Step 7: Check And Verify Your Newly Created and Developed Bootable USB Disk
Moving to the last step of this process! It is about checking as well as verifying your newly created and upgraded bootable USB disk.
You can test this phase as well. For that, you have to plug in the bootable USB and after that, you have to allow your system to go through the booting process.
Moreover, when Apple tune starts and initiates up, then you need to keep on pressing and holding the option of Alt key.
This is all about this guide, this is how you can create and boot from a Linux USB drive on Mac system of yours.
Once you follow all these steps of this guide, this whole lengthy processing and job will become easy for you.
This testing and verification phase is very important for you. It will remove all queries and you can well know whether you have proceeded this step correctly or not.
Conclusion!!!
We hope that this guide will make your job a little bit easy and convenient for you. If you still have any queries on creating a bootable USB disk from Linux USB drive for Mac, then you can ask from us any time.
Format Usb For Gpt Bootable Macos Windows 10
To catch up with the guides like dual booting, we will sooner share details about it. Keep connected with us.
If you had previously followed this kind of method and it did not work out for you, then we guarantee you that it will work for you now.
If you’re using both Windows and macOS, you’ve to deal with when mac refuses to boot. The reason behind can be from a number of things that could go wrong. This includes system failure, bad updates, power failure, hardware failure. Unless there is a hardware problem that only can be diagnosed at the apple center you can fix your Apple computer.
It is an excellent practice always to have a bootable macOS USB, which you can easily create using macOS operating system. But since we’re here, you probably can want to make bootable USB using Windows 10. Let’s be real, and there are more Windows computers compared to MAC. Fortunately, you can use a Windows computer to create a bootable USB flash drive.
In this article, we’ll help you with the instructions to create a bootable MacOS USB installation media from a Windows 10 computer. So that you can use that USB to install or reinstall (upgrade) Apple’s MacOS. You can create a macos Catalina/sierra bootable USB using this guide to fix your operating system.
What’s needed?
You will need a few things before you get started. The first essential thing in it is a USB drive would be awesome if you use a USB 3.0, but you can get the work done using slow USB as well. So, in contrast, you need these following things.
- One high-quality USB flash drive with 16GB of storage.
- TransMac software.
- MacOS operating system image (DMG file).
How to Create a macos Catalina bootable usb
The guide is simple and straightforward if you follow thiese step.
Download and install TransMac on your Windows PC. It’s paid software with 15-day trial, so you can use it within the time to create a bootable MacOS USB flash drive. If you like the software and to support the developer you can buy the full version.
Plug the USB drive to your Windows computer that you’ll be using to fix your MacOS. And we are going to tell you something straightforward – backup if things stored in USB Drive.
Step 1. Open the TransMac, and select Run as administrator. If you’re using the trial version, wait 15 seconds, and click Run.
Step 2. Use your USB drive right-click on it and select format disk format this will format the USB drive so that it can be used to store the Mac OS operating system. One thing you need took care of that the USB drive needs in GPT partition in order to work on a Mac computer otherwise it won’t boot.
When it prompts select a name for your USB it doesn’t matter but just do it and click ok. If the formatting completed successfully, click OK to continue.
Step 3. Again from the left sidebar right-click on the USB drive and select restore with disk image.
Step 4. Now browse to the location where the Mac OS system image file is located and click ok to load it.
![Format usb for gpt bootable macos windows 10 Format usb for gpt bootable macos windows 10](/uploads/1/2/6/5/126579069/855105163.png)
Step 5. Click Yes to create the macOS USB bootable media.
It will take a few minutes to complete the process because the Mac Operating System is larger than any other operating systems like Windows and LINUX in size. Now plug the USB drive to Mac computer in order to install, install or upgrade the operating system to the latest version of Mac OS, which can be Sierra or later.
THE TOOL CAN
- Apple File System (APFS) volume read support.
- Open Mac APFS/HFS/HFS+ format disk drives, flash drives, CD/DVD/Blu-ray media, HD floppies, dmg, dmgpart, sparsebundle and sparseimage files.
- Copy files to Mac HFS+ disks and dmg images.
Format as HFS+ for Mac . - Save and restore images of disks and flash drives.
- Create, compress, expand and split dmg files.
- Built in burner functionality to burn ISO and dmg files directly to CD/DVD/Blu-Ray.
- Read Mac multisession and hybrid CDs.
- View partition layout.
How to create a GPT partition on a USB flash drive
If the USB flash drive is not working using TransMac, it could be still a partition problem. In this case, you want to redo the entire process again, but this time use the following steps to use the Diskpart command-line utility on Windows to create the appropriate GPT partition.
- Open Command Prompt as an administrator. Type cmd in run dialog or open it from the start menu.
- Type the diskpart command and press Enter. This will display that is connected to your computer.
- Enter the list disk command to view all drives connected to your computer and press Enter. This command will show all of the partitions inside of a disc.
- Type the select disk command followed the number assigned for the USB flash drive (e.g., select disk 4), and press Enter. This command will select the disc partition of your choice.
- Enter the clean command and press Enter. This erases and formats the disc.
- Type the convert GPT command and press Enter. This convert master boot record to new GPT.
- Enter the create partition primary command and press Enter to complete the process.
Quickly create a macOS bootable USB on Windows
Now make bootable USB using the TransMac software (follow instructions that are given above). Now connect the USB and power on your Mac computer while holding the option key and then select the USB Flash media to run the installation.
Learn using USB on MAC (Apple support page)
Learn more about making bootable USB.
Format Usb For Gpt Bootable Macos Update
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