Serial number

Would you like to know how much time is left on your Mac warranty or AppleCare? Or maybe you are purchasing a used Mac and wish to know the warranty expiration or repair options for that specific Mac. Here’s an easy way to check using the Apple Online Service Assistant.

Here’s a helpful tip when you need to lay your hands on your serial number. Go to Apple Menu → About This Mac to open the About dialog. Under the words Mac OS X you’ll see the Version number. Click the version number once to reveal the Build number – then click it again to [...]