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    820-01814-A No Power stuck at 20V 0.05A-0.93A

    Hello, I have this board with zero history. It worked fine then didn't turn on for some reason. It is recognized in DFU mode but fails to restore or revive. I get error message: The System cannot be restored on this device. The operation couldn't be completed ."AMRestoreErrorDomain error 6 -...
  2. E

    A1708 820-00875 20v, 0.03A, doesn't power on

    Not sure if this is relevant but board came from customer machine that I installed new battery on. This was 3 months ago. They used it two times and on the third time it didn't turn on. This machine was babied by the owner. The board is super clean, no corrosion, liquid spill or noticeably...
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