How to wipe a hard drive mac without disc


Disk Utility erases, formats, repairs, and partition hard drives and SSDs

Try using the Command-R process again. Okay, so either your Recovery Partition is missing, or doesn't work and you've tried everything.

Partition Drives and Format Partitions

So it's time to look at reinstalling macOS without it. First, if it's an option here, you should take time to back up up your Mac using Time Machine. This will enable you to restore all your files, folders and apps once you've reinstalled macOS. The first approach is to use a feature called Internet Recovery. Newer Macs are able to boot directly from an internet connection, even with no Recovery partition available.

There are issues with Internet Recovery. In these cases it's usually best to find another network rather than create a USB Recovery Stick our next step.

If you have Internet Recovery, then make use of it to reinstall macOS if possible. If you can't access Internet Recovery, then you are left with the option to create a bootable installer from a flash drive at least 12GB in size. Note that this completely erases the USB flash drive, so be careful to remove any files from it first.


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We cover how to create a bootable installer for macOS here , but we'll give an overview of the method below. The simplest way to create a USB flash installer it to use Terminal :. In the case of Sierra or High Sierra you''ll see: something like this, for example.

How to Reformat your Mac without a Recovery Disk!

If you don't have the files, you may be able to get them by opening the Mac App Store, looking under your Purchased tab, and clicking to download the installer Although, if you are running Mojave this won't be an option, and if you are running High Sierra you won't find Sierra this way You can manually back up all your files and apps by copying everything to an external drive or iCloud. It allows to recover individual files and restore your whole hard drive in the event of a catastrophe. However, before you use Time Machine, make sure to clean up your Mac. Plus, a backup will go faster and more smoothly if your Mac is not cluttered.

For a quick cleanup, you can use a utility like CleanMyMac X. It will help you remove large and old files, useless apps, caches, and system junk in two clicks.


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Note that your first backup may take a long time, depending on how many files you have. Once your files are backed up, next be sure to disable any services that are associated with your system, including iTunes, iCloud, and iMessage, and deactivate programs on your Mac.

Erase or Format Your Mac's Drives Using Disk Utility

Did you know, you can authorize up to 5 computers, which means that you can play your content just on 5 different Macs? FileVault plays an important role on your Mac. It encrypts the data on your hard drive to prevent the unauthorized access to the information on your startup disk. Sign out of iCloud to make sure that any remnants of the cloud data, such as bookmarks, notes, reminders, etc. Before you restore Mac to factory settings, be sure to sign out of iMessage.

To ensure that all information is cleared from the Touch Bar, you need to erase its data. Follow these steps:.

How to Restore a Mac to its Factory Settings | Digital Trends

Your Mac will begin wiping the drive. Both methods may adversely affect future performance of the drive, but are very effective at deterring file recovery efforts. The Best Tech Newsletter Anywhere. Join , subscribers and get a daily digest of news, comics, trivia, reviews, and more. Windows Mac iPhone Android. Smarthome Office Security Linux. The Best Tech Newsletter Anywhere Join , subscribers and get a daily digest of news, geek trivia, and our feature articles.

how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc
how to wipe a hard drive mac without disc How to wipe a hard drive mac without disc

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