Your MacBook’s serial number is a unique code that identifies your device. It is important to know this number if you ever need to check your warranty status book a repair or contact Apple Support. Fortunately there are several easy ways to find the serial number whether your MacBook is switched on or not.
This article explains where to find your MacBook serial number using built-in settings physical markings or your Apple ID account.
Finding the Serial Number in System Settings
The quickest way to find your MacBook serial number is through System Settings if your device is switched on.
On macOS Ventura or later click the Apple menu in the top-left corner of the screen and choose System Settings. Then select General followed by About. Your MacBook’s serial number will be listed on this screen along with other details such as model name and chip type.
If you are using macOS Monterey or an earlier version open System Preferences from the Apple menu. Then select About This Mac. A small window will appear showing your serial number on the Overview tab.
Using the Apple Menu
Another fast method is to go straight to the Apple menu and choose About This Mac. This option works across most macOS versions and opens a summary window where your serial number is clearly displayed beneath the device specifications.
You can click on the number to highlight it then copy it using Command + C if you need to paste it into a support form or warranty check page.
Checking the Underside of Your MacBook
If your MacBook will not switch on or you cannot access the software you can still find the serial number printed on the underside of the laptop. Turn your MacBook over and look near the regulatory text close to the hinge. The serial number is etched into the aluminium and may be in small print so you might need good lighting to read it.
This method is reliable for all MacBook Air and MacBook Pro models as long as the underside has not been damaged or replaced.
Using Your Apple ID Account
If your MacBook is linked to your Apple ID you can also find the serial number online. Visit the Apple ID website and sign in with your account details. Scroll down to the section titled Devices and select your MacBook from the list. The serial number will appear in the device information.
This is useful if your Mac has been lost stolen or sent in for repair and you no longer have it physically available.
On the Original Packaging or Receipt
If you still have the original box your MacBook came in the serial number will be printed on the barcode label. It is also usually listed on your proof of purchase or receipt. Keeping these documents safe can be helpful for insurance claims or warranty services.
When You Need the Serial Number
You will need your MacBook serial number when checking AppleCare coverage booking a Genius Bar appointment or registering your product. It may also be required when filing an insurance claim or reporting a stolen device.
Be cautious about sharing your serial number online or with people you do not trust. It is safe to give it to Apple Support or your insurance provider but avoid posting it publicly.
Final Thoughts
Knowing how to find your MacBook serial number is essential for managing support and warranty services. Whether you use System Settings the Apple menu the underside of your device or your Apple ID account there are plenty of ways to access this important piece of information. Once you know where to look you will always have the details you need to identify your MacBook with confidence.