Translation in English here J’ai voulu me remettre au travail après un long moment sans toucher au Spark Core (trop occupé par d’autres choses) mais au redémarrage du Core, après la séquence de connexion au Wifi, le core est normal pendant 2 seconde puis la led devient magenta fixe. je vois sur le…

So, this is what Google translate made of your story (translated freely, and summarised heavily): "Core boots up, works for 2 seconds, then goes to fixed Magenta, and stays that way. According to a forum post , I should update my firmware over USB in DFU mode. I have installed the CLI as documented…

Understood @Moors7 , and thank you for your effort, but unfortunately, when a problem is to hard for me I would prefer speak in french to be sure to understand perfectly the answer. I’m not comfortable with software issue, and understand how all those program interact each other together is difficul…

yes, exactly like in the tutorial, and this finish with “the driver was installed successfully”

here is my Zadig screenshot [image]

[image] JP2M: when a problem is to hard for me I would prefer speak in french to be sure to understand perfectly the answer. When a question is hard for me, I'd like it to be in a language I understand :wink: I think the majority of the people on the forums here don't speak French. By posting…

Great step! I’ve try a different USB port and this is better now! thank you Moors7 I have now flashed with new factory firmware, and my core work again! Can you tell me if this new updated factory firmware will be kept in case of new factory reset? [image]

Why I can't see my Core with DFU-util?

Firmware

mdma July 19, 2015, 7:11am 4

Have you installed Zadig and configured the DFU driver (tutorial here)?

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Why I can't see my Core with DFU-util?

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