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STM32F3Discovery not connecting via USB

Question asked by ApBrandy on Apr 20, 2015
Latest reply on Apr 22, 2015 by ApBrandy

today I tried to connect my stm32f3disco to my pc as usual, but for some reason it doesn't work. The COM led starts blinkin red and nothing happens. The message "no st-link detected" pops up either in keil or ST-link utility.

Tried to connect BOOT0 to the 3V supply (which surely works, I double-checked with a tester), but still nothing happens.

If I press the user button a green led turns on, but nothing else.

Please help :/