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.
Here is the thing:
The originally problem was back light. So i find out the LP8550 was bad and then i replaced.
Works! However, the back light is flashing a little bit. Very little