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Real ROSSMANN nuts ?

You're trying to restore the dmg file. You need to restore the mounted asd image itself. Try choosing the ASD 3S156 as source instead of the dmg-file.

Nice! Was it this guy https://m.youtube.com/watch?v=ymVyCrJ30PU :-D

Yeah. Enough off topic. I hope he can help you with your milky board even if his not in the Milky Way ;-)

He's probably thousands of years old and was giving inspiration to Georg Ohm, Michael Faraday, Andre-Marie Ampere and several others... :-D

Well who knows... His profile says The Netherlands. But I sometimes suspect him from a complete other galaxy (based on his astonishing psychic abilities) :-)

Duke's in The Netherlands - your'e in Finland. Isn't that only 1 hour difference... Off topic - I know, Sorry :-)

Install/upgrade newer OSX (El Capitan) on it. 2015 models cannot boot older systems. You can just install El Capitan without formatting it to preserve the data.

My eight month old daughter just took the magsafe out of the computer and put it in her mouth. I guess she's powered up for tonight now... Power supply isn't working anymore. It has steady green light all the time even tough it's not connected and is not charging the computer. There was already...

It normally gets pulled down when you close the lid. The sensor is in the lio board thats why duke says you should try with another one. But if thats not the case then in more rare situations it could also be the trackpad (or ipd connector/cable) or SMC or C4835. But start by measuring SMC_LID...

Clean the board. Make PRAM reset. Boot OSX. Turn up volume. Restart. See if it chimes :-)

Start by turning up the volume

If you have backlight for a second it could be because of the SMC_LID signal is pulled down.

According to schematics for 820-2914 and 820-2915 they are exactly the same

Could it be BIOS related maybe ??

I got display backlight working in this one. Received the backlight driver IC's from Ali and now I have backlight in the display. I don't know what broke it because the original display which I firstly assumed was shorted is not shorted. I put it all back together just to find out that...

Probably SMC. Board wants to have it's own life. Sometimes starting to spin the fan when I measure around in different places. No consistency. And when I get fan spin the fan slowly goes high RPM (like it should because i have it out from casing with nothing connected). Then I can take magsafe...

On the other side of the board than you are looking right next to the fan connector. The board view file is also showing it on that side. It is an error in board view... Same component (Q5660) shows up on both sides of the board.

No it's not turning on. It only started this one time doing the chime boot loop but after I turned it off it did not starts again. CPU Vcore is present.

Original issue was small water damage. R8112 was corroded and U8010 burned. Else every other part of the board was fine. I did not have PP3V3_S3 at that point but after ultrasonic cleaning and replacement of these two components power came up and it did the "chime-thing" described earlier. I...