- Creare boot drive mac how to#
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You can use it to install Catalina on any Mac that supports it. You now have a macOS Catalina installer on an external disk or USB stick.
Press Return and wait for the word Done to appear in Terminal. Where ‘Untitled’ is the name of your USB stick or external hard drive Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled Go to Applications>Utilities and double-click Terminal to launch it. Creare boot drive mac mac os#
Choose APFS or Mac OS Extended (Journaled) as the format and choose GUID partition map from the options, if it’s available.Select the disk you want to use for the installer and choose the Erase tab.Go to Applications>Utilities and double-click Disk Utility to launch it.Plug the USB stick, hard drive or SSD into your Mac.
Creare boot drive mac how to#
How to create a bootable installer using Terminal
Creare boot drive mac full#
There are full instructions on the download page. All you need to do is download and install it and then, when you run it, point it to the macOS Catalina installer you just downloaded. If you’d rather not use Terminal, there’s a neat utility called Diskmaker X that will do it for you. If you’re comfortable with using Terminal, you can go ahead and jump to the instructions for that, below. You now have two options for creating the installer. The installer has now been saved in your Applications folder. When it’s finished, the installer will launch. When the results appear, click on Catalina, then click ‘Get’.You can sign up for Apple’s public beta program and download it here Apple Beta Software Program) (If you’re reading this before Catalina has been launched, you’ll need to use the public beta. Launch the App Store app and search for macOS Catalina.
Once you’ve cleared out the clutter, you can go ahead and create your bootable installer.
When it’s finished, press Run to delete files immediately, or Review Details to see what it has found. Choose Smart Scan from the list of utilities in the sidebar. Install, and launch CleanMyMac X - download a free edition here. It can scan your Mac at the press of a button, identify all the files you don’t need, and allow you to get rid of them with one more click. I don’t normally recommend software tools, but in this case, the nest way to clear out the clutter is to use CleanMyMac X. Before you undertake any major task on your Mac, and especially before you install a new version of the operating system, you should clear out junk and old files you no longer need. There’s one more thing you should do before you create the installer: clear out the junk on your Mac. How to create a bootable USB drive for macOS Catalina You’ll need to create a new partition (or container if it’s formatted as AFPS) for the installer so if you have data on it you need, you should copy it to another drive first. Anything that has at least 16 GB of free space. You can use an external hard drive, an SSD or a USB stick. What should I use as a bootable installer? So, if you don’t have an internet connection or it’s very slow, you need an alternative. However, that means re-downloading the installer. Normally, if you need to reinstall macOS, you can just boot from the recovery partition and do it from there. It’s good protection against a catastrophe striking your Mac’s startup disk, especially if you don’t have a stable internet connection. You may want to clean install Catalina, in which case you’ll completely wipe your startup disk and will need to boot from an external drive to do that. If you have more than one Mac, it allows you to install Catalina on all your other Macs without having to download it from the App Store each time. There are a number of reasons for creating a bootable USB Mac installer. Why do I need a bootable installer for macOS Catalina? That way, if anything goes badly wrong with your Mac, you’ll be able to boot from the installer and get going again quickly. But whichever camp you’re in, it’s a good idea to create a bootable installer for macOS Catalina. You may have already taken the plunge and installed it, or maybe you’re waiting to see how it settles down before you install it. In some ways, it’s like having a completely new computer. Creare boot drive mac upgrade#
MacOS Catalina is a hugely exciting upgrade for the Mac. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.
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