Erase your M1’s internal storage in Recovery, reinstall macOS and you could see an error in which it failed ‘to personalize the software update’. That’s not easy to fix, as explained here.
For some, inability to clone to the internal SSD of an M1 Mac seems disastrous. In reality, it could achieve little, and there are better solutions.
Don’t just hold Command-R and hope that you’ll install the right version of macOS. Here’s structured decision-making to save you time.
Should you install, re-install, or clean (re-)install macOS? Why, how to, and what they entail.
When should you reset your SMC and NVRAM, repair permissions, install a Combo update, or re-install the whole of macOS?
Transferring a decision-making guide from a quick flowchart into Tinderbox notes.
There are now three different Recovery modes. This explains which to use, and provides a flowchart to help you work out how best to reinstall in them.
Over a month after the release of macOS Sierra 10.12.4, Apple quietly let slip the news that it […]
Why re-installing macOS is seldom a good choice to fix a problem, and what better alternatives there are.
Crashes don’t come any harder than when your Mac just sits there, your startup disk missing or unusable. Here is how to prepare for, and recover from, such a hard crash.