Apple Support/How-To/Troubleshooting Article Updates

- How to update macOS on Mac.
- How to create a bootable installer for macOS.
- How to download and install macOS.
- If your Mac doesn't start up all the way.
- If your iPhone or iPad won't update.
- Erase your Mac and reset it to factory settings.
- If your computer doesn't recognize your iPhone or iPad.
- Restore your iPhone, iPad, or iPod touch from a backup.
- If you see an iPhone, iPad, or Apple Vision Pro unavailable message or Security Lockout screen.