cancel
Showing results for 
Search instead for 
Did you mean: 

ST32L5-discovery problem with connect to stlink

tomee
Associate II

I try to connect by usb cable via stm32cubeprogrammer to new board but windows not see any st-link interface. older st-link v2 work fine but this on boad interfave not work. 
Com's led light on green and red colour. led 5VLD12 on green display work - whats wrong ?

3 REPLIES 3
Imen.D
ST Employee

Hello @tomee and welcome to the Community,

Did you try update the ST-Link firmware to the latest version and using STM32CubeProgrammer?

Please check the tips shared in this article: How to solve connection errors when connecting and programming the STM32 target board.

When your question is answered, please close this topic by clicking "Accept as Solution".
Thanks
Imen

@Imen.D , 

Thank you for your reply.

I have the latest version of the programmer installed, but when I connect the Discovery board to my Windows system, no device is detected – the programmer also doesn’t recognize it.

However, when I connect my old ST-LINK V2 dongle, both the system and the programmer detect it without any issues. This problem only occurs with the Discovery board.

Hi @tomee,

Maybe you have COM port conflicts!

Check the jumpers on the board and make sure that they are set correctly. 

Did you try connecting under reset mode?

When your question is answered, please close this topic by clicking "Accept as Solution".
Thanks
Imen