Check About This Mac
On a working Mac, open Apple menu → About This Mac. Note the model name, chip or processor and year if shown.
Look for the A-number
Many Macs have a model number beginning with A printed on the enclosure. It can identify a model family, but may cover more than one configuration.
Note the finish
Color and finish matter for visible replacement parts. Include this detail in your repair request.
Check your coverage
Use Apple’s coverage service to review warranty or AppleCare+ information before arranging paid repair.