If your has a broken or cracked screen you demand to have it replaced. If it broke on its own and it’s still under warranty you can giveback it to Apple and have them do it. If it isn’t under warranty and you have Apple do it, the repair will be very expensive. You can have a third party repair shop replace the screen, or you can do it yourself which is the least expensive option. You can find replacements screen on the Internet. Here is how to replace the screen on your MacBook machine.