Fixes
Step-by-step fixes for updates, battery, Bluetooth, Wi-Fi, microphones, Spotlight and apps that won't open.
- Can my Mac run macOS 27 Golden Gate? The full compatibility listmacOS 27 Golden Gate runs only on Macs with Apple silicon. The full list of supported Macs, how to check yours in ten seconds, and what to do with an Intel Mac.
- Can't update your Mac? Fixes for macOS updates that won't download, install or finishWhat to do when macOS 27 or a Tahoe update doesn't appear, gets stuck on Preparing, fails to download or hangs during install, from storage checks to the full installer and Recovery.
- Mac slow after updating macOS? Why it happens and how long it lastsA Mac often feels slow, hot or noisy for a day or two after a macOS update while it re-indexes. How to tell when that's done, and what to try if it stays slow.
- Mac microphone not working in Zoom, Teams or Meet? Fix it in this orderWhen people can't hear you on Zoom, Microsoft Teams, Google Meet or Slack on a Mac: check app permission, the selected microphone, AirPods behaviour and the audio service, step by step.
- Spotlight not finding files or apps on Mac? Rebuild the indexWhen Spotlight misses files, apps or emails you know exist: check what's excluded, wait for indexing after an update, and rebuild the Spotlight index from System Settings or Terminal.
- "App can't be opened" or "is damaged" on Mac: how to open it safelyWhat macOS means by "can't be opened because Apple cannot check it", "is damaged and can't be opened" and "unidentified developer", and how to open an app you trust using Open Anyway in Privacy & Security.
- How to downgrade from macOS 27 to macOS TahoeYou can go back from macOS 27 Golden Gate to macOS 26 Tahoe, but it means erasing the Mac. What to back up, the two ways to install Tahoe on Apple silicon, and how to get your files back.