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.
Thanks Duke. It's fixed and I did nothing, well, nothing that should fix the machine.
First, you were right. The two screws were from one of the fans. While I was measuring PP3V42 in one of my tests... green light in the charger and boots. The only thing I did was to get the fan screws back and...
My MacBook failed first by showing the no disk (question mark) then no light on the charger. I opened up and guess what... I found a little friend right next to the SSD. The last time this machine was serviced was by the Apple at the there store!! They replace the whole board and I guess...