For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
I have 820-2936-A that doesn't load any drive at all. I've tried external usb hard drive but it just stays at 75 prosent when loading. Can't run ASD because of the issue.