- #CREATE A MAC BOOTABLE USB FOR IMAC HOW TO#
- #CREATE A MAC BOOTABLE USB FOR IMAC INSTALL#
- #CREATE A MAC BOOTABLE USB FOR IMAC UPDATE#
- #CREATE A MAC BOOTABLE USB FOR IMAC PASSWORD#
After you are done with this on-boarding step, you will see the desktop and are all set to start using macOS Catalina on your Mac. Once finished, you should see the initial macOS setup screen.
#CREATE A MAC BOOTABLE USB FOR IMAC INSTALL#
Let the install process finish, which consists of a couple of automatic reboots. This time, select Install macOS and continue. Leave the options as default and click Erase again.Īfter the process finishes, close Disk Utility and you will return to the recovery screen. Select the volume where your current macOS is installed.
Choose your administrator account and enter its password.
#CREATE A MAC BOOTABLE USB FOR IMAC PASSWORD#
Let the installer load and once it’s finished, you should enter macOS Recovery screen which will ask you to select a user account which you know the password of. Select Install macOS Catalina and click continue. Once Terminal finishes the process, you can restart your Mac and when it is booting up, press and hold Option key until you see a black screen with an option to select the startup disk.
#CREATE A MAC BOOTABLE USB FOR IMAC HOW TO#
How to Install macOS Catalina from a Bootable Volume? Note that there are two dashes ( -) before volume and a space after volume.Įnter your password, press Y and press enter to start the process and let it finish - which will take about 15 minutes.
Now, append -volume /Volumes/ Untitled at the end of the automatically generated string and press Return key on keyboard. It will automatically generate the path where your Catalina installer is located. Now open Downloads folder and drag the macOS Catalina Installer file on the Terminal window. Type sudo in Terminal and keep the window open. If copying and pasting or typing this command doesn’t work, you can do the following. Note: Replace Untitled (in bold above) with whichever name you gave in step 2. Sudo /Downloads/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/ Untitled Make sure you don’t leave any spaces in-between. Open Terminal and type the following command. Now you are ready to move to the final step which is to create the bootable macOS Catalina media. If you wish to go ahead with that method, you can change the path in the Step 3 from Downloads to Applications.
#CREATE A MAC BOOTABLE USB FOR IMAC UPDATE#
You can download macOS Catalina installer from the Software Update screen and it’s placed under Applications. Update: I just read other tutorials mentioning that you don’t need macOS Catalina Patcher. Now, before you move to the next screen, click Options in the menu bar and disable ‘Auto-apply Post Install Patches.’ After that, click Start Download and wait for the download - that is around 8GB - to finish.
The app we will use for this is called macOS Catalina Patcher which is primarily used to make a patched installer for old Macs that don’t support new versions of macOS.ĭownload macOS Catalina Patcher, place it under Applications, launch it, and click Continue. Make sure you have a working, strong, and stable Wi-Fi connection to download macOS Catalina.ĭue to the way you get your copy of macOS Catalina has changed a bit, we will rely on a third-party app which will help us get the installer.Take complete backup of data on your Mac.Make sure you have a USB stick aka pen drive aka flash drive or memory card aka SD card with at least 16GB of storage.Make a Bootable macOS USB Stick or Memory Card Learn how to make a bootable macOS Big Sur installer.
Update – 12th November, 2020: The latest update to macOS is out now. Albeit not as straightforward as before, but it is definitely possible to make a bootable installer for macOS Catalina. This change makes is a bit tricky to create a bootable install media like a USB stick or memory card. In Catalina, when you click the Get button in AppStore, you are taken to the Software Update screen to download the new update. Previously, you would download the new OS installer from AppStore itself and then use that installer to make a bootable installer for later use. With macOS Catalina, Apple has changed the way you used to download the installer.
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