#INSTAL MACOS BIG SUR HOW TO#
#INSTAL MACOS BIG SUR INSTALL#
#INSTAL MACOS BIG SUR UPDATE#
#INSTAL MACOS BIG SUR SOFTWARE#

If you have deleted Macintosh HD before installing Big Sur, you may get the error reading 'you may not install to this volume because it is invalid or damaged.' When that happens, you need to reformat the startup disk in Recovery mode using Disk Utility.Follow these steps to boot into Safe Mode: shut down Mac > wait for 10s and then press the power button > hold down the Shift key once Mac starts up > Release the key when the Apple logo appears. If macOS Big Sur cannot be installed on Macintosh HD, you can try installing it in Safe Mode.If there's no prompt for the installation to continue after the macOS Big Sur download completes, search in your Application folder for a file named 'Install macOS 11', then double-click it to start the installation process.

#INSTAL MACOS BIG SUR UPDATE#

Suppose you can't install the downloaded macOS Big Sur update even with a compatible Mac model, delete inessential files to make more free space for it (Check how much disk space you have in Storage Management), then follow the solutions below. Here is the list of Mac models supporting macOS Big Sur: To ensure a successful macOS installation, you need to check whether your Mac is supported before downloading macOS Big Sur. You may also see a similar message reading 'macOS Big Sur Cannot Be Installed On This Computer' when you attempt to install Big Sur on an unsupported Mac.

You are installing Big Sur to the same APFS container as previous versions of macOS Catalina 10.15.

A conflict in the system is preventing the macOS installation.

There's not enough disk space on Macintosh HD.

You can read below for the solutions to the 'macOS Big Sur download has failed' error. However, if the macOS download takes more time than expected (like hours), there's likely insufficient storage space or an unstable internet connection. With a large size of over 12 GB, it might take a while to download macOS Big Sur.

#INSTAL MACOS BIG SUR SOFTWARE#

An error occurred applying the software update.Ĭan't download macOS Big Sur or the process takes too long, what to do?.That content can't be downloaded at this time. Installation requires downloading important content. Installation of macOS could not continue.You may not install to this volume because it is invalid or damaged.You may not install to this volume because it has a disk password.

You may not install to this volume because the computer is missing a firmware partition.

You may not install to this volume because it is currently being encrypted.

The update cannot be installed on this computer.

If you have backed up your Mac to an external hard drive with Time Machine, you can simply restore from the Time Machine backups. Here is what you should do if you've encountered data loss after the macOS software update: Though Apple has made a precaution that important files may get lost if the macOS software update is interrupted, many of you still forgot to back up your MacBook Air/MacBook Pro/iMac/Mac mini.

#INSTAL MACOS BIG SUR HOW TO#

How to restore or recover lost files after macOS Big Sur update? If you are using third-party software to back up your Mac, check if it's ready for macOS 11. Note that these backups and new backups created after are only compatible with Mac computers running Big Sur and later. In that case, your existing backups are also upgraded to be used on macOS Big Sur. Suppose you upgraded to macOS Big Sur on a Mac that uses a Time Capsule or other network storage device as the backup destination. Therefore, it's always recommended to back up Mac files before every major macOS software update using the built-in Time Machine. It makes data backup with third-party apps difficult, especially those that offer bootable backups. Since macOS 10.15 Catalina, Apple split the startup disk into two separate volumes, Macintosh HD and Macintosh HD - Data.

Built-in or Third-party Apps Issues in macOS Big Sur Poor Performance When Using macOS Big Sur Startup issues after installing macOS Big Sur

Fail to download and install macOS Big Sur In the following sections, we will talk about practical solutions to fix macOS Big Sur problems.

Instal macos big sur