Solved Macbook 12 2015 820 00045 No Display No Chime No Image Retina Macbook 2015
Chosen Solution Hello, @arbaman @reecee @refectio and other experts! Recently I received a dead MacBook 2015 12”. When I connect charger, no chime no image, no backlight. I tried measure every power line with multimeter, but I found missing voltage only on PP5V_S0SW_LCD, PP5V1_S4SW and PP1V05_S4SW linesI use my ThermoCam and compared the thermo image with good working board but images look the same. So I think there is problem only with image and backlight (maybe)I disconnect everything and connected a known good display but does not helpI preventatively replaced U4700 but no change On the internet I found, than a lot of people have same issue with this model....