If you have at least 50 GB of free space on your machine and Mac OS Big Sur still complains there isn’t enough space, Time Machine is likely the culprit. Otherwise, check that your device has enough free storage space on the main hard drive or solid-state drive to install the new OS properly - you will need 50GB of free space to proceed with the install. If you’re having problems installing MacOS Big Sur on your Mac, first ensure that you have a compatible machine (listed below). Problem: MacOS Big Sur won’t install on your machine Here are the most common MacOS Big Sur problems and how to fix them. What happens what you start to have problems, though? As with any operating system, MacOS Big Sur comes with its own issues. Problem: Your ability to sign in with TouchID has stopped.

Issue: Your apps aren’t working under MacOS Big Sur.Problem: Bluetooth or Wi-Fi has stopped working in Big Sur.Bug: Unable to sign in after installing MacOS Big Sur.Issue: MacOS Big Sur drains the battery fast or displays battery issues.Problem: MacOS Big Sur won’t install on your machine.

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