MacBook Air

Your Apple Watch might have a black screen that doesn’t respond when you touch it or press buttons. Or maybe your Apple Watch begins to turn on, but gets stuck during start up. 

Use the steps below if you can’t access your email or you can’t send or receive messages with your @icloud.com email address. 

Learn what to do if you have two-step verification turned on for your Apple ID and can’t sign in.

You can use the Terminal command “dsexport” to save a file of your users or groups in OS X that you can later re-import if needed.

Try these steps if NetBoot services appear to be available on your server, but some client computers can’t start up from it.

Check Safari extensions, or try removing cookies, cache, and other website data if a webpage or site doesn’t load on your Mac.

This article will guide you through advanced troubleshooting for iTunes Store connectivity.

Learn what to do if you can’t connect to the iTunes store on your computer or your iPhone, iPad, or iPod touch.

This article is for system administrators who manage mail servers that send email to iCloud Mail.

Learn how AppleCare uses SMS phone number verification to help verify ownership of a phone number in some support cases. This article applies to Canada and the United States.