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Defective C7420 (burst) on PPBUS_G3H_CPU was exchanged. During the test HWMonitor Mainboard shows 128 ° C (possibly no sensor?) ALS does not work The system hangs, windows close by themselves. PRAM reset (3x) and SMC reset do not help Could use some help

I did each time. No changes. Yes, one get backlight from the beginning (as usual), the second one when booting bar is at 80% and the third one never. Ist there a way to see what type of Display I have (2014 or 2015)?

The 3 displays behave differently on this board. I tested the displays on another 820-4924-A board. The behavior of the displays remains the same, which leads me to assume that it is the display and not the board. Can you tell on the display whether it's 2013/14 or 2015? When replacing the...

Thank you, nice to be here :) The original display shows a picture completely without backlight, with another display the backlight turns on immediately. We tested all 3 displays with the same result on a different board. Is there a way to fix the display with the late backlight?

Hi guys, I could use some help, can't get any further. I swapped the display on an A1502 (820-4924-A) (2015). When booting, the screen has no backlight until the loading bar has reached about 80%. I noticed that when I turned it on the charging cable (85W original) shows orange for a short...