How to Erase / Factory reset Mac / macOS Big Sur reinstall


The easy guide to restore / Sell Mac fresh reinstall… make sure to backup your files before wiping your MacBook pro / iMac.

Reinstall Mac from macOS Recovery step by step:

(0:00) Intro

(0:20) Start macOS Big Sur Recovery using (Command ⌘ + R)

(0:56) Erase (format) your disk

(1:43) Install macOS Big Sur

(2:22) New macOS Big Sur Setup process

(3:47) Outro

#Reinstall #macOS #BigSur

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21 comments

  1. Thank you! I’m starting uni soon so I wanted a fresh start on my mac 🙂

  2. Simple and to the point. Thanks very much

  3. Hi, does this makes all settings default?

  4. When command r doesn’t work…..not matter how many times you restart the device.

  5. After erasing is getting installed in my mac ☹️☹️

  6. When I click command R nothing happens.

  7. I have MacBookpro 2015 256GB SSD.. when try to erase my SSD …. The erase options is not highlighted …in this case what should I do .?

  8. HI..its need to erase hard drive or we can skip and choose reinstall macos..Thanks

  9. Hallo. I do same proses but now it show no user Authentication now what I do

  10. Why don’t you delete the mac HD data?

  11. I am trying to reinstall after deleting it previously for a new owner for my laptop. Now I want to install the OS. It keeps on giving me error saying "an error occurred when preparing the installation".

    Changed the date and time still nothing.

    So I am trying to start from the beginning by erasing everything again. APFS is greyed out. When I choose Mac OS extended journaled, it gives me an error.

  12. Thanks man. Appreciate your help.

  13. 안녕하세요. 죄송한데 질문좀 들릴께요.
    커멘드+r 누르고, 유틸리티 들어가서 하드디스크 지우기하고 ox를 다시 설치했는데 화면은 나라설정부터 되어있는데 하드디스크 비번은 그대로 잠겨있네요. 혹시 해결방법있을까요?ㅠ

  14. It didn't upgard to big sur for me but instead it upgraded to Catalina … I already have Catalina😶

  15. why is my erase volume group is not showninh

  16. Thanks sir – clean and easy way.

  17. Is it alright that the display shuts off while downloading/installing the Big Sur?

  18. Hi, will this delete the installed programs like Microsoft Word, excel etc? Thank you!

  19. exceptionalcyber does it, he was able to hack into my macbook and now is working real fine, bro you are the best and he is on instagram for your recommendation..

  20. exceptionalcyber does it, he was able to hack into my macbook and now is working real fine, bro you are the best and he is on instagram for your recommendation..

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