It may seem like you just bricked your MacBook, but luckily there is a remedy. Also, if you are installing Catalina on day one, then expect Apple's servers to be completely bogged down as the entire world is going to be downloading the new OS on day one.If you’re anything like me, you will (or already have) accidentally wiped your Macbook’s ssd. Follow the onscreen prompts and you will be done in no time.Īgain, if you have a fast internet connection then everything will happen in a snap. Once the disk has been erased, go back to the main screen and select to install a fresh copy of macOS Catalina.
Select your Mac SSD or HDD from the left and then click on Erase and then confirm your action. As the macOS Catalina installation screen shows up, click on Disk Utility. This screen will skip itself if you are connected to the internet using Ethernet. Connect to the internet using WiFi if you aren't already.
Clean Install macOS Catalina Using Internet Recovery Method Also, make sure that your Mac is plugged into a power outlet at all times. This means that if you have a fast connection, you will be done with it all in a matter of minutes. Lastly, this method requires no USB installer disk at all and relies completely on the internet for everything to happen. Please do not skip this step otherwise you run the risk of losing your precious files, never to be restored again. Use iCloud Drive, Time Machine or just an external drive for this. Secondly, make sure that you backup your data completely to a safe location. Note: You can check the model of your Mac by simply clicking on the Apple logo in the menu bar and then clicking on About This Mac. Check out the list below just to be sure: First and foremost, you have to make sure that you have a compatible Mac that can run macOS Catalina.
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