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.
Thermal Scanning showed UP900 heating up. Replace it. Device turns on now. But no image and backlight.
Getting image on external display. Sensor Issue ruled out as LID Open/Close resulting in external display on/off.