There are a range of problems that can occur when upgrading your operating system. This applies to both computers and mobile devices, which is why it’s imperative you back up your data before clicking the Install button. But how do you spot a frozen installation? What can you do if your Mac runs out of space mid-install? And how do you fix the problem when you can’t access your computer normally anymore? Here are some troubleshooting tips to help you out, be sure to list any of your own in the comments that follow. Before You Install Upgrading your operating system involves modifying the core files your…
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