STM32cubeIDE showed ST-LINK DLL error when debugging NUCLEO board.

[TFuji.4]

Hello everyone,

I use STM32CubeIDE at the first time..

The target is NUCLEO-L496ZG-P.

When I clicked [Debug], the following message appeared.

ST-Link enumeration failed

Error in initializing ST-LINK device.

Reason: ST-LINK DLL error.

NUCLEO board is connected to the PC.

 Please tell me how to solve it.

Best regards,

Toru

[Imen.D · Accepted solution]

Hello @TFuji.4​ ,

As you described in your message, you are using a J-link driver and not ST-Link ? Try to use ST-Link instead.

Otherwhise, update in your Debugger option : "ST-LINK (ST-LINK GDB server)" by SEGGER J-LINK.

Best Regards,

Imen

[TFuji.4]

Hello Imen-san,

Thank you for your support.

I downloaded the firmware to the ST-LINK IC on the Nucleo board.

Then, I was able to connect with ST-LINK with the Nucleo board.

It seems that the firmware of the IC has been changed to the firmware of J-LINK.

I was able to debug the Nucleo board.

Thank you for your cooperation.

Best Regards,

Toru

[Rajeswari]

How did you downloaded the firmware for ST-LINK IC on the nucleo board