Typically, a macOS download fails if you do not have enough storage space available on your Mac. If it has a green dot, then there's no issue, but other colors suggest there's a problem with Apple delivering the update.Īs you can see from the screenshot above, there had been issues with the software update at the time of writing, which have since been resolved.Īnother reason could be that you simply do not have enough space on your computer. There should be a section labelled 'macOS Software Update'. You can also check the live status of the Apple Server to make sure everything is alright on Apple's end. If you think this is the case, try again later on a non-peak time to see if the download works then. It may be because a lot of people are trying to download macOS Big Sur at the same time. There are a few reasons why you may encounter this issue. That content can’t be downloaded at this time. Installation requires downloading important content. A few get the following error message: “Installation of macOS could not continue. Others, on the other hand, are seeing 'The network connection was lost' error messages when they try to download macOS Big Sur. One of the most common macOS 11 Big Sur problems that people have encountered is that macOS 11 fails to download, with some users seeing an error message that says 'Installation failed.' How to fix macOS Big Sur download problems For those of you sticking with us, let's take a look at the most common macOS 11 Big Sur Problems and exactly how to solve them. Or, if you’re ready to take the leap to the next OS, check out how to download macOS 12 Monterey. This should install the version of OS X that was installed.If you haven’t grabbed Big Sur yet, take a look at our how to download and install macOS 11 Big Sur guide. I suggest using Ethernet if possibleīecause it is three times faster than wireless. Note : You will need an active Internet connection. Reinstall OS X: Select Reinstall OS X and click on the Install button. The Erase button and wait until the process has completed. The Security button and set the Zero Data option to one-pass. Set the format type to Mac OS Extended (Journaled.) Optionally, click on Click on the Erase tab in the DU main window.ģ. After DU loads select your startup volume (usually Macintosh HD) from the Select Disk Utility from the main menu and click on the Continue button.Ģ.

Select the Recovery HD and click on the downward pointing arrow button.ġ. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears.

You need to erase the disk then reinstall OS X:īe sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.

Macbook pro disk utility error code 8