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by lazyvole
Fri Jun 13, 2025 6:52 am
Forum: General discussion
Topic: Issue with STM32 Core: Board Not Detected After Upload / Red SYS LED
Replies: 2
Views: 8893

Issue with STM32 Core: Board Not Detected After Upload / Red SYS LED

Hello everyone,

I’m working with an STM32 board (please let me know if I should provide the exact model) and I’m running into an issue after uploading new firmware using STM32 Core.

After flashing, my board shows a solid red SYS LED and is no longer detected over USB (no COM port shows up). There ...

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