Macs are very well built machines, but occasionally they; just like laptops also need to be serviced or repaired. iMac and Macbook components are not intended to be replaceable or upgradable by the end-user, except for components that can be detached. Yearly servicing can help keep your Mac running smoothly for years to come. When the time comes, make sure you send it to your local well known trusted repair shop, Microsmith, and we will fix your Mac quickly at a competitive price, and we won’t compromise on quality or service.