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    CoreS3 not recognized by USB, cannot enter download mode

    Scheduled Pinned Locked Moved Cores
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    • T Offline
      tetsu 0
      last edited by

      My M5Stack CoreS3 suddenly stopped working. Here is the current situation:

      Screen is completely black
      When I press the power button, it turns on for a moment but immediately shuts off
      USB is recognized for just a moment when power button is held, then disappears
      RST button long press does not enter download mode
      Separating Core from Body and waiting several minutes did not help
      Serial monitor shows nothing

      Has anyone experienced this and recovered it? Any suggestions would be appreciated.

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