How to Factory Format a MacOS from Scratch with or without USB Flash Drive


If you have a Mac and you want to format it, you reached the indicated post, since here we will explain how to format your Mac with or without pendrive. Usually the Mac is formatted to perform a reinstallation of the operating system or update it, here the steps are completely safe.

In this article we will clear up your doubts as to whether you should use a bootable pendrive or if you can do it from the Mac directly. Well, we will develop both cases so that you have at your disposal two useful and practical tools when formatting your computer.

Reasons to format your MAC

There are several reasons that lead a person to want to format their Mac, and here are some of them:

  • When you are going to sell your computer.
  • For improve system performance and the hard drive.
  • To prevent your data from being stolen.
  • For correct technical errors and conflicts in the Software.

You may also be interested in:

Ready, you know why sometimes you have to do this procedure on your Mac computer, now we show you how to format it.

How do I format and reinstall macOS on my Mac computer?

It is very common that the operating system of the Mac changes and that if you use one of this you want to have the latest version of the system. We recommend you make a full cleaning on the hard drive deleting everything, then installing the software from scratch so as not to drag errors.

Here are the simplest steps to perform a system installation using the Mac software:

  1. Completely shut down your Mac.
  2. While pressing the power button, you must simultaneously press and hold the Command + R keys. Do not release the keys until the Apple logo appears.
  3. Once this appears you will find yourself in the tools or «macOS utilities «.
  4. You will see a display of options, enter the «Disk Utility». In this section you can delete all information from hard drive.
  5. Ready to format the disk, you can close the window.
  6. Once you see the window that you had at the beginning where the «Disk Utility» menu is, there we will select «Reinstall macOS». In case the software is not available, we recommend that you have a good internet connection so that it can download.

As you could already see, you can install macOS software Without the need for a bootable pendrive, this process leaves the system as new. This process should be run at least once a year, if possible when a new operating system is released.

deleting files on hard drive

And finally, we advise you in advance that you have or make a backup copy of the files you want to keep.

Format Mac with USB pendrive

Now we show you how to format safely while being simple with a bootable pendrive so that you have your Mac 100%.

  1. Connect a removable or external drive to your Mac PC to save valuable information like photos, videos, and important documents, so you don’t lose them.
  2. Have a bootable USB stick on hand OS X with which you will install the macOS operating system.
  3. Turn off your computer and plug in the bootable USB and turn on the Mac, simultaneously pressing the ALT and power keys.
  4. Once the Apple apple appears, a menu will appear where you will look for the option «Start from USB drive.
  5. Next, select «Disk Utility» to erase the contents of the hard disk.
  6. Click on main hard drive in the menu on the left and select «Delete».
  7. After a few minutes depending on what is deleted, a message will appear indicating that everything has been deleted successfully.
  8. Close the «Disk Utility» window and return to the main menu, here you will press the option «Install macOS.
  9. The reinstallation wizard will help you, must accept everything that the system requires. This process typically takes as little as 30 minutes or a little longer due to constant reboots required.

format mac

We have concluded this article where it was explained how to format your Mac with or without a bootable pendrive, these steps are safe. We hope that by following the procedures mentioned here, you will achieve your goal, as the goal is to help you in an educational way.

How useful did you find this content?

Click on a star to rate!

Average score 0 / 5. Counting of votes: 0

So far, no votes. Be the first to rate this content.

I'm sorry this content was not useful for you!

Let me improve this content!

Tell me, how can I improve this content?

You may also be interested in:

Deja un comentario