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June 2023
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How to reformat macbook with disc1/5/2023 Next, choose a name for the drive and a suitable file system.Choose your USB drive or SD card on the left side menu and click Erase.Click on Finder in the dock and select Applications.But before we proceed it is a good idea to back up everything on the USB drive as reformatting will delete all data on it. To reformat a USB drive, follow the steps below. Reformatting a USB flash drive or SD card is simple using Mac’s Disk Utility tool. How to reformat the USB drive using Mac Disk Utility Now that we have understood the reasons for re-formatting a USB, let us proceed to understand how to actually reformat the USB drive or SD card in Mac. Although this step will delete all data on the USB, it is a good option to repair the USB drive provided you have a backup. If your USB drive or SD card is corrupt and other troubleshooting steps like CHKDSK don’t work, then re-formatting is pretty much the only choice you have.In that case, reformatting is the best option. If your USB or SD card has been hit by a virus, things may not work as expected even if the virus has been removed.In order to overcome this issue, you can reformat the USB using a file system like HFS+ that is Mac friendly. Although Mac systems are designed to read and write to USB’s with FAT32, it does not provide the best experience and you may run into problems at times. However, with Mac’s things are a little different. This is perfect for use with Windows PC’s because Windows PC’s are designed to work well with FAT32. Usually, when you buy a USB drive, it is formatted using the FAT32 file system by default.You may want to reformat a USB drive for various reasons and here we begin this article by explaining them. It’s important to keep in mind that if you run the eraseDisk command, the target disk is going to lose all its data, so make sure you are erasing the proper disk.Reasons why you would want to reformat a USB or SD card The syntax is going to look like this: Diskutil eraseDisk JHFS+ Empty /dev/disk5s2 Let’s say the disk I want to erase has “/dev/disk5s2” as its identifier and I’m going to use Mac OS Extended Journaled (JHFS+) as the system format type and name it “Empty”. This is the syntax we need: Diskutil eraseDisk FILESYSTEM DISKNAME DISKIDENTIFIER Then pick a name and a system format type. Once you have found the proper drive to erase, just copy its identifier so you can use it for the next command. This is going to list all the mounted drives on your Mac. Start off by running the following command in the command line: Diskutil list Here I'll show you how you can erase and format a disk using the command line. To do that, the only thing you need is a bit of precise syntax to make sure that you are erasing the proper disk. But some Mac users might need to erase them from the command line on Mac OS. Most users use Disk Utility to erase a disk or hard drive.
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