In this article, you’ll find detailed instructions and answers to your questions on how to make a bootable USB on Mac. You can try out the different tools for free, so download it, and see what you think. MacKeeper can do everything from finding malware to updating your apps for you. When the scan is finished, review the results, and click Fix items safely.Select Find & Fix from the menu in MacKeeper.

You can do that with MacKeeper’s Find & Fix feature, which will scan your Mac for a variety of different problems. It’s a good idea to keep your Mac optimised when you’re asking to create a bootable USB drive. It’s a handy appliance-even more so if you use a small external flash drive that you can carry in a pocket.

You can also use it to reinstall the operating system on a Mac that won’t startup. Such a tool allows you to install any version of macOS on multiple Apple computers easily. Why would you want to create an external boot drive for your Mac? Take a look online to make sure the files you're trying to transfer to the Mac are compatible with macOS.A bootable macOS (previously, OS X) install disk is a portable device containing all the necessary installation files for a selected version of macOS. If your drive shows up on a Mac, but it appears to be empty, it could be a problem with the types of files you're trying to transfer. Make Sure the Contents of the Drive Work With macOS If it doesn't work anywhere, then you can be certain there's a problem with the drive. Try using a different drive or a different port instead.Īlternatively, try using your USB drive with a different computer to see if it works with that. If your USB flash drive or external hard drive doesn't show up in Disk Utility, then there is probably a physical problem with the drive or the USB port on your Mac. Click the First Aid button in Disk Utility to fix any issues with the drive, then try to access it in Finder again.

If your USB drive is in ExFAT, FAT32, APFS, or Mac OS Extended format then it should work on your Mac. So you'll need to reformat your drive if it uses NTFS format.

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