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STM32F4 Discovery won't go into DFU bootloader mode

Question asked by mentink.bernard on Jul 18, 2015
Latest reply on Jul 19, 2015 by Clive One
Hi All,

I have two discovery boards. When I go into discovery mode (boot0 high, boot1 low)  and then run "dfu-util -l"  ... with one board I see the devices listed, the other board not .. could this be a faulty board?

The "good" board was a fresh one just out of the packet. The one that doesn't work I have used before and was programmed via ST-LINK using openosd, that worked fine.

But this time I want to use DFU and it does not work on that board. Is there a way I could have destroyed the bootloader with ST-LINK?

Thanks, 

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