A macOS USB installer saves much time when you want to install the OS offline on two or more Macs. Also, it helps in recovering a system after a startup failure. It is easy to make a macOS USB disk from the full installer downloaded from the App store; Apple provides clear-cut instructions for the same. However, people use this feature only when they have a problem with their computer, mainly when their system is not booting up. In this post, we explore the ways to make a bootable macOS USB for Catalina 10.15 and others from Windows PC and Mac.
To sum up, it is easy to format an external hard drive for both Mac and Windows PC. You can either choose to format the whole disk as exFAT/FAT, or you can create two separate partitions of HFS+ and NTFS if you prefer. But compared with formatting, an NTFS for Mac driver like iBoysoft NTFS for Mac is a better and feasible solution. Feb 21, 2012 Looking to share an external hard drive between a Mac and PC? The best way to do it is with a drive formatted as FAT32. Though this format has some limitations, it. How to format a flash drive for Mac and PC compatibility in macOS High Sierra July 20, 2018 / Dennis Sellers. Macs and PCs use different file systems, which can make it tricky to put data from your Mac on a flash or hard drive and give it to a Windows user. Tricky, but not impossible. Choose the former if the size of the disk is 32 GB.
Make macOS Catalina 10.15 USB installer on Windows PC
Method 3: Format external hard drive for Mac and PC. Want to use external hard drive under both Windows PC and Mac? In this case, you should consider the hurdle that these operating systems support different filesystems. The default file system in Windows is NTFS, while Mac OS users HFS. In the Disk Utility app on your Mac, choose View Show All Devices. In the sidebar, select which disk you want to format to use with Windows computers. Click the Erase button. Click the Scheme pop-up menu, then choose Master Boot Record.
TimeMachine is the safest option to recover a broken Mac in the offline mode. If a backup is not there, you have to go for a clean installation either from a bootable USB/DVD drive or the Internet. In my case, I lost the boot partition of my iMac and didn’t have a TimeMachine backup. Internet recovery was showing up, but it kept on failing to download the OS files from the servers. As it is my only Mac, I had no option left, until I found the method to use a Windows PC to create a Mac OS bootable USB installer. I did this for making a macOS High Sierra USB drive, and later I was successful in reinstating my iMac. As of now, the OS is Mojave, but the process given below is compatible with all editions of macOS including the upcoming macOS Catalina 10.15.
Step 1: Download macOS Catalina [DMG] for Windows
As said in the beginning, a Mac is must for creating bootable macOS USB disk. If you think about doing it from Windows, the options are limited. The cross-compatibility of extensions for the two OS are entirely different. Luckily some Windows applications support a bootable macOS disk format, DMG. Hence, If we can download macOS DMG file, then it possible build the USB installer from Windows environment.
Most of the sites talking about the bootable macOS USB installer on Windows is not guiding on how to download the required DMG files for the method. Check our page to download macOS Catalina installer installer in DMG format for Catalina, Mojave and High Sierra.
Step 2: Partition USB disk on Windows to make it bootable on Mac
Here we are creating a UBS installer for Mac on Windows. So make sure that we keep the partition of the USB disk to have an appropriate scheme. Converting the USB disk to have a GUID partition table (GTP) is recommended for this method work effectively.
Connect the USB disk to Windows and run the above-given commands in the correct order. It cleans and converts the USB disk to GUID partition table if it is using MBR or something else.
Step 3: Make bootable macOS Catalina USB installer on Windows 10
When the Internet recovery is stuck and fails to download the OS files, you could use Windows to make a bootable macOS USB installer. Out of the two or three software for handling macOS installer [dmg] in Windows, Transmac is the best one. Transmac is not free, but the developers offer a 15-day trial period, and that is sufficient for one-time use. Now let’s move on to the steps to create macOS Catalina USB disk on Windows.
Here we focus on preparing macOS Catalina 10.5 USB installer on Windows. But this method is same and applicable for Mojave, High Sierra and all previous versions up-to OS X Lion. Ms office for mac student discount. How to boot to macOS Catalina from USB Installer made on Windows
Check the image below for macOS Catalina USB installer showing up in the boot options. In this way you could recover and restore a Mac without Internet. Some models of Macs show a prohibitory symbol when you boot from macOS Catalina recovery USB made on Windows. In that case, you need to Install Mojave or High Sierra first and then upgrade to Catalina 10.15 using the in-built software updater.
While restarting, Press the Option key on your Magic keyboard or MacBook see the boot choices. However, if you use a Windows keyboard for Mac, press the Alt key. When you see the boot menu, click on Install macOS Catalina (10.15), and proceed to the recovery process.
Alternative: Make a bootable Catalina USB installer on macOS
The recovery partition in a Mac helps in restoring it from TimeMachine or the Internet when there is a system failure. It keeps the essential apps like Disk Utility, which aids in re-installing a fresh copy of macOS. However, this partition gets deleted when you change your Macs hard disk to SSD or like. A bootable macOS USB installer comes helpful in such situations. It is also useful when you want to install macOS on a couple of offline systems without wasting bandwidth and time.
You need a macOS DMG files for making a USB recovery disk in Windows but that not the case when you have a Mac. The only thing is that you have a copy of the Install macOS app, the offline installer downloaded from the App Store. Check out the most reliable ways to macOS USB recovery disk for Catalina, Mojave and High Sierra.
Method 1: Using Terminal to make macOS Catalina USB disk
Method 2: Using a third-party app to make booatble macOS USB disk.
If you are not familiar in dealing with the Terminal app and command-line interface, consider a freeware macOS app to create the bootable macOS installer. Among the many applications out there, we prefer Diskmaker as it supports Catalina, Mojave, High Sierra, and all other macOS builds after Lion.
The latest version DiskMaker 9 compatible with macOS Catalina 10.15.
Also, you may consider an alternative, macOS Catalina Patcher by Collin, here. The best thing about the patcher app is that it can make bootable MacOS ISO, and USB disk by downloading Catalina from the Internet, which DiskMaker do not support.
Download and create macOS Catalina USB bootable disk
Now, select the installation method as “Create a Bootable Installer,” and then pick the target USB disk in the next screen. Your macOS USB installer will be ready in a few minutes.
4.1/5(46 votes )
Last Updated on:
![]()
> Mac Data Wipe > Disk Formatting Software for Mac | Mac Hard Drive Formatting Tool
by Shirly Chen, 2017-02-07
Formatting is a prior method to delete all data from local/external hard drive or fix disk error. For Windows users, it is very easy to format a hard drive using built-in quick format feature. However, when a Mac user right-clicks a hard drive on Mac, he can’t see the quick format option. Especially for the new Mac users, it seems difficult to find a solution to format local hard drive or external hard drive under Mac OS. In this article, we will introduce some Mac disk formatting software tools to help Mac users easily and securely format hard drive, USB flash drive, memory card or other device under Mac OS.
Three Useful Disk Formatting Software for Mac1. Super Eraser for Mac - best Mac Disk Format Software
Super Eraser for Mac is a very powerful tool to permanently erase data from Mac hard drive or storage media. It can easily format hard drives, storage devices and permanently erase all the data on the targeted media. It also can format SSD hard drive and erase data under Mac OS. Free download the best Mac disk formatting software - Super Eraser for Mac.
This mode ‘Wipe Hard Drive’ will help you format a selected hard drive/device and erase all data from it. You just need to select the hard drive you want to format, and then click on 'Wipe Now' button. Then Super Eraser for Mac will help you format and erase the selected hard drive/device. Please note that all the existing data and history data on the selected hard drive will be permanently removed, can’t be recovered by any data recovery software or manual data recovery service.
This Mac hard drive formatting tool also can erase free disk space to permanently erase deleted/lost data on the hard drive. This option is used for erasing deleted files and formatted files on your Mac, without affecting the existing data.
If you are going to sell, donate your Mac/device or just want to completely remove unwanted files and fix disk errors, Super Eraser for Mac is the best Mac disk formatting tool for you. It can help you regain a brand new disk.
Note: formatted data will be permanently lost, can’t be recovered by any software or method.
Best Disc Format For Mac And Pc2. Mac Disk Utility
Note: formatted data can be recovered by data recovery software.
Disk Utility is a built-in app in macOS. When you open this app, it will show all the hard drives and devices on your Mac. You can use the erase function to format a hard drive or device. Download thinkorswim for mac. However, when the hard drive has been erased by Disk Utility, most of the formatted data can be recovered by data recovery software. Delete hotkey mac.
3. Start Menu for Mac![]()
Note: formatted data can be recovered by data recovery software.
Start Menu for Mac is an all-in-one Mac manager. It offers a feature – format. You can run it on your Mac, and use it to format external hard drive or device on your Mac. It is the fastest way to format an external hard drive/device under Mac OS.
4. MacClean360
MacClean360 is one of the best disk cleaning and management software for Mac OS. It offers more than 9 tools to help you optimize and manage your Mac computer. The Disk Manager tool is able to list all hard drives and external devices on your Mac. Then you can choose one of the hard drive and format it by click on 'Format' button.
The 4 disk formatting software for Mac above can help you easily format hard drive, USB flash drive, memory card, and other storage media under Mac OS. However, when you format your hard drive with Super Eraser for Mac, all your data will be permanently lost. So please back up your important files before you run Super Eraser for Mac to format your hard drive or other device under Mac OS.
FREE download DoYourData Super Eraser for Mac to help you format hard drive, external hard drive or storage media on Mac.
Related ArticlesRecommended Products
Format Dvd Disk Windows 10Hot ArticlesMac Data ErasureTop SolutionsComments are closed.
|
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |