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.
When Flash Drives or external USB drives are plugged in they show power and the respective LED's say they are working, but the OS never recognizes that anything has been plugged in. Checked continuity on L4605.L4600,L4615,L4610 while in circuit. Since the power is working, my assumption is that...