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.
The display on his computer randomly will freeze with have a checker like grid on it. Becomes totally unresponsive. History - I know that the display was recently replaced by Apple for a blueish line across it.