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STM32F302R8: No Ulink device found

Question asked by ganesan.karthik on May 25, 2015
Latest reply on May 26, 2015 by Clive One
Hi, I'm using an STM32F302R8 board to do some basic DSP work. I've been using my desktop with windows 7 on it for a while and I'm able to use Keil V5.14 to program the board no problem. 

However, I have to move to using my windows 8.1 laptop, I'm unable to program the board. When I connect the board though, i do get the folder popping up showing that windows is able to see the device no problem. Also the driver is installed fine and ST-LINKV2 is showing up in device manager. 

I get an error saying ' NO Ulink device found'. When I check Cortex-M Target Driver Setup > Debug, the Debug Adapter field is empty. 

Is this a known issue with either KEIL or ST-LINK and windows 8.1? that's the only delta i can think of between my working and non-working setups. 

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