Format usb in windows for mac boot
The process may vary slightly depending on which version of Mac OS X your computer is running, but the steps below will give you a fair idea of how the process should be carried out. Step 2 : On the left, you'll see all the available drives. Insert the USB drive and watch as it appears on that list. Drag and drop it under the drive names in the Disk Utility app.
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Step 4 : Next, select the file, and then click on "Burn" in the same window. In the popup that appears, select your destination drive, which is the USB flash drive you want to burn the DMG file to.
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Click "Burn" in the popup window. Once the process is complete, remove the USB stick and use it to install the application associated with that DMG on any other Mac computer. The interface is very simple, and all you need to do is click a few times and the job is done for you. Assuming you have a USB drive with enough capacity, it can hold several programs. DMG Editor doesn't require any technical expertise because it is specifically designed for new users who may not be comfortable handling disk images. All the hard work is done behind the scenes, and the layout is intuitive enough for any novice to figure out what to do.
Install DMG Editor after downloading it from the official site. Insert your USB drive into a free port. Click on Burn. That's it! You can now use this to install the program or programs to another Mac computer after converting them back to the DMG format. In certain instances, you may want to use a Windows computer instead of a Mac, which means you won't have the disk utility.
Follow the steps below to do this. In this case, you will need to convert it back to the DMG format for the installation.
4 Tools to Burn DMG File to USB on Windows and macOS | UUByte
This is very useful if your Mac has become unbootable and you only have a Windows alternative. Also, it's better to take a backup of existing data so you don't lose it during the burn process. What might be easier, however, is that that model has support for Internet Recovery. If you boot holding Command-R and you have a WiFi connection, it can actually boot into recovery mode without a recovery partition on a drive or even without a working drive. Having said that, your description of a crash right after the boot chime could signify a more serious hardware problem and you may not be able to boot anything.
If you boot holding the option key down, the startup disk selection screen should appear. If it crashes anyways, you may be looking at a hardware problem. I know this question is old but it is still valid. I was never able to write a Mac installer image to my Flash Drive and have it bootable, unless I did it on a Mac. Using Michael D. I've been trying to post this to confirm that it works for some time, I just hope it helps someone else, because it is a very easy solution. Here are the Diskpart commands used to prep the Flash Drive, just to have them here in case my Link does not work:.
When I tried to inject the image, Transmac told me that the drive was "write protected". So basically, the USB drive cannot have any high level formatting, the Windows system should detect the drive as "not formatted" for this to work, which it will if prepped right with Diskpart.
I had this problem with a friend computer, it was an old iMac and I'll tell you it is not going to be easy.
The first thing you have to do is make sure what model you have the year when your computer has been released then check on the official apple website to see what is the latest macOS or Mac OS X version available for you computer. In this case, you have to download the dmg file, that can be found on the web, for example, one websites that provides some macOS and Mac OS X is this for El Capitan, if you need another version, I'm sorry but you have to search for it. Here things start to get a little tricky.
First of all you have to flash the image on a USB drive, I recommend etcher, that works on everything Mac, Linux and Windows too it's extremely easy to use and you just need to select the drive and the image and etcher will do everything by itself, plus it's free here. When the USB drive is ready you can plug it in you mac and press alt option while booting, you have inserted a firmware password, it will ask you to unlock the firmware by inserting that password, else it will take you to all the bootable drives, including your USB device. If you see the mac logo with a stop icon over it, it means that you downloaded a too new version that is not supported from your mac, else it will start.
Copy Windows files to USB - Method 1
When it start, it won't install, saying that the system can't verify the downloaded image, that's why you have to navigate on the "utilities" menu on the top bar and open the terminal. That's basically because every image of mac has a certificate that can expire, so, if the certificate is expired you won't be able to make it work, unless you change the date the date is different from mac version to mac version, so based on that you have to change it, usually just search for when was that version released and se the current date to that date or even one or two days later to make it work.
Then try to install the system, if this does not work again, you can start the installation without verifying the image, but you should really trust the image you're using from being corrupted or modified just to make sure the download went right, use the SHA-1 code to make the file has been downloaded right. So, to proceed without verifying the image, from terminal, type in this command: sudo defaults write com.
Is possible that you won't need the sudo at the begin, in that case just remove it from the command and start from "defaults" Now you should be able to install macOS from a USB drive Just a little thing, make sure to have formatted the disk before proceeding, I would recommend to make a partition that takes the whole disk in mac Journaled format, then if you want you will be able to encrypt the disk the installer will ask you to do that later , instead, if the disk was encrypted before, you will have to insert the encryption key of the disk to continue the installation process.
Really hope this help, I spent a lot of hours to do this on a really old iMac from Good luck! In my humble opinion, the easiest and a free solution for creating bootable drives is Rufus. You will be able to download a copy of old one version of powerISO by provided links this tutorial. I've tried many tutorials on how to create a mac bootable USB drive from Windows but none of them worked. Please find the details on my github page. Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.
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Active 29 days ago. Viewed k times. Any help would be greatly appreciated! Thanks for your response. However, the problem differs from the one you linked to since I do not want to run an OS X installation in Windows running in bootcamp on a Mac. What I want to do to is easily achievable using createinstallmedia or Disk Utility.