If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory. Automatic Windows updates require that much space or more. Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience. You will use Boot Camp Assistant to install Windows 10.Ħ4GB or more free storage space on your Mac startup disk: The latest macOS updates, which can include updates to Boot Camp Assistant. MacBook Pro introduced in 2012 through 2020, excluding MacBook Pro (13-inch, M1, 2020) MacBook Air introduced in 2012 through 2020, excluding MacBook Air (M1, 2020) If you did not do the original setup on your Mac, you should also try to contact whoever did that original setup.Boot Camp requires a Mac with an Intel processor. (There's no other choices, unless you can remember the password that you would have used to set the firmware password. If you continue to see the padlock box, and you can't remember the password that you used to set that password, then you will need to contact an Apple Store, or contact AppleCare support for possible assistance with that. But then, you can't boot to the Recovery system, because that will also ask for the firmware password. An MDM profile may be installed when you use your Mac for business (the company you work for might require that), or maybe your school would have set this up for you?Īre you the owner of this Mac? The status of the firmware password will be in Security Settings, when you boot to your recovery system. It does not have to be the same as your login password, and also not the same as your AppleID password.Īs mentioned above, you might also have an MDM profile installed, which could also enable the firmware password. That won't allow you to boot to a different partition, unless you know what that password isn. If that password box has the padlock, then you have the firmware password enabled. You may find out that it will update the BootCamp control panel, and that updated version should see your Mac boot volume. Open that Apple Software Update, and run it. A simple restart from Windows will then boot automatically to your Catalina system.Įdit: Look for the Apple Software Update, while booted to Windows. And, don't change the boot disk to select Windows while booted to Windows. Now, if you want to boot back to Windows, go through that Option-boot picker screen to choose the Windows boot drive. You will need to unlock that pane by clicking on the padlock.Ĭhange the boot drive. Set the boot disk to your macOS boot volume. When you boot back to your Catalina system, Open System Preferences, then Startup Disk pref pane. Choose your Catalina system, and press return to continue that boot. If your MBPro now only boots into Windows, but you know that the Catalina system should work, reboot holding the Option key to open your boot picker screen. One of the (major) things that happens when you update from Sierra to Catalina is that the format for the drive is updated from HFS+ (MacOS Extended) to APFS.Īnd, short story, Windows doesn't see any APFS partitions.
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