from the utilities window, select disk utility and click.
if asked, select a user you know the password for, then enter their administrator password. start up from macos recovery: turn on your mac, then immediately press and hold these two keys until you see an apple logo or other image: command (⌘) and r.
How to reformat macbook for hard drive portable#
if you’re reformatting a usb stick or portable hard drive, you may want to use apfs encrypted to protect your data if the drive is lost or stolen.
How to reformat macbook for hard drive mac os#
If you’re using it as your mac’s main drive, apfs is the best choice as it has replaced mac os extended as apple’s preferred file system for macos. in a few simple steps you are ready to go and can save your back up files to the external drive, keeping your information safe and giving you peace of mind. Reformatting an external hard drive for use with mac os is not as difficult as it might seem. here are some tips that might help you when you are about to format a mac hard drive. so, you must stay active and keep all things in mind. tips for formatting a hard drive on mac: even though formatting doesn’t seem like a big deal, still it can be very helpful. (optional) if available, click security options, use the slider to choose how many times to write over the erased. click the format pop up menu, then choose a file system format. click the scheme pop up menu, then choose guid partition map. In the sidebar, select the storage device you want to erase, then click the erase button.
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