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Take Control of Upgrading to High Sierra
book

Take Control of Upgrading to High Sierra

by Joe Kissell
September 2017
Intermediate to advanced content levelIntermediate to advanced
98 pages
2h 14m
English
Take Control Books
Content preview from Take Control of Upgrading to High Sierra

Troubleshoot Upgrade Problems

Even if you diligently followed all the instructions in this book, you might encounter problems while upgrading. I can’t anticipate every difficulty you may have (or provide solutions in every case), but here are some of the most likely issues and how to deal with them.

Can’t Run the High Sierra Installer…

If the High Sierra installer icon has a slash through it, or if you try to run it and it quits immediately, the likely causes are:

  • You’re trying to run it on a Mac whose CPU is incompatible with High Sierra (see Model Support for full details). Solution: Buy a new Mac. (Sorry.)
  • The installer didn’t fully download, or the file was damaged. Solution: First delete the installer. Then open the App Store app, click ...
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Publisher Resources

ISBN: 9781947282988Errata Page