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.
A1278 2011
with ac adapter work ok
with ac adapter and battery work ok
with only battery run slow. When write something, letters appears 4,5 seg. later. Any idea?