I'm working on a Macbook Pro 13 Non Touch 820-00875-A. Problem was boot to a ? folder. I did try a known good working SSD and still have the same Problem. So I start measuring on U8640 and missing the SSD_PWR_EN_L which is coming from the CPU U0500. Any help what else need to check. Thanks!
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Macbook Pro 13 Non Touch 820-00875-A Can't See SSD
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Re: Macbook Pro 13 Non Touch 820-00875-A Can't See SSD
Make sure you tried with another 2016 SSD not a 2017. Some of the 2017 SSD are not compatible with the 2016 board.OpenBoardView — https://github.com/OpenBoardView/OpenBoardView
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Re: Macbook Pro 13 Non Touch 820-00875-A Can't See SSD
Any progress on this one? I have a 820-00875 laying around for years, I use it sometimes, and I say that because SSD is detected on boot only occasionally. I can try powering it on maybe 100 times or something with no SSD detected, and all of a sudden it's detected and boots. And when it first boots it can run perfectly fine for days/weeks no issues, however I have to prevent it from going into sleep mode, because if it does the SSD is again not detected on wake, and shutting it off and attempting reboot many times again is the only way to make it boot.
Has never had liquid damage, I've also replaced U8640, same problem. SSD itself seems fine. Not sure where to look from here, so any input from anyone having experienced similar issues would be great.
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Re: Macbook Pro 13 Non Touch 820-00875-A Can't See SSD
This may sound strange but I have had problems with SSDs that were created in another computer, then transferred, then not worked. Have you tried a recovery boot to see if the physical drive is present? In the end I had to format the drive and start again, and that worked. I don't know if it was a disk format issue or not.
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