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.
well this case left me unsolved but I'll be waiting if another one arrives, deliver the equipment like this.
I reflowed the lcd connector on the motherboard, I think maybe one of the pins was not making contact, I would have changed it. But good for next time. Thanks for your help @2informaticos