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STM32F405 MCU Target not connected via ST link, BUt connecting with USB1 DFU mode ( Bood0 is High), Mass erase command correctly executed.Note: if there's any flash protection, it will not be erased. uable to remove protection. Kindly give your support

JMari.11
Associate
 
1 REPLY 1
KDJEM.1
ST Employee

Hello @JMari.11​   and welcome to the Community :),

Try "Connect under reset" mode.

I advise you to refer to this FAQ: How to solve debugger connection issues.

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Kaouthar

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