- #Error occurred download mac os high sierra install#
- #Error occurred download mac os high sierra update#
That is the problem we encountered, as we will detail below. Lack of space was quite a common problem among those with 128GB Macs. Since the macOS Big Sur installation required around 48.5GB free space – that’s 35.5GB plus another 13GB for the installer itself. You can do this by clicking on the Apple Logo > About this Mac > Manage and then choosing Messages and deleting as many images and videos as you can. One great way to free up space is to delete the images associated with the Messages you’ve received on your Mac. You could for example delete old emails and text messages, or locate old Time Machine backup files from your Mac and delete them. We offer advice on making more space on your Mac here:
#Error occurred download mac os high sierra update#
So that’s more 45GB required before you start – you might want to read this:ĭon’t bother trying to update to Big Sur if you have a 128GB Mac. We actually needed 35GB available when it came to doing the installation.
You’ll see below that even 20GB space isn’t actually sufficient when it comes to installing macOS Big Sur though.
#Error occurred download mac os high sierra install#
Possibly there isn’t adequate space available on your Mac (we always recommend that you don’t install if you have less than 20GB of space free as your Mac may struggle with the installation otherwise – in fact with Big Sur weighing in at just over 12GB, and Monterey likely to be just as large, you’ll need all the space you can get!) It is likely that if a similar problem happens in Monterey we will see an update soon after launch. Second Big Sur 11.2.1 update fixes Mac installation issue. Read about Big Sur version 11.2.1 (build 20D75) and how it fixes the problem in this article: Apple issued an update to Big Sur that addressed this particular problem on 15 February 2021. As a result the installation would be unable to complete and all the storage available on the Mac would be filled making the Mac unusable. In 2020 when Big Sur launched some Mac users were unfortunate enough to experience an issue where the installer would fail to check how much space was available before installing the operating system update. In this case the problem seems to affect computers that feature Apple’s M1 chip, but there are also reports of Intel Macs being affected.
Problem with the USB 3.0 ports – mainly affecting hubs, but also some USB peripherals do not work properly after the upgrade. If you encounter the bug you may find that force-quitting your applications or rebooting your Mac fixes it.
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