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I can't complete the download and debug of my STM32F401 Nucleo-64 MCU on IAR on Windows 11 because i get the following error "Failed the search for probes, ensure that the USB drivers are installed".

GParr.1
Associate II

‎2022-05-30 02:55 AM

I have found that under the windows 11 control panel the ST-Link driver is not correctly recognized. Please see the attached picture about this.

There were no problems of this sort on windows 10, it only occured on windows 11. I tried to reinstall the driver without success.

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5 REPLIES 5
Pavel A.
Evangelist III

‎2022-05-30 03:21 AM

Please right click on the ST-LINK and open properties. What is the error number?

Do you remember what exactly you did to reinstall the driver?

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GParr.1
Associate II

‎2022-05-30 03:33 AM

It says that the drivers are not installed (code 28), but i performed the installation as requested with IAR Embedded Workbench that has a specific section for the drivers installation.

I've also tried to download them from the net and install them myself, but the result was the same.

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Andrew Neil
Evangelist III
In response to GParr.1

‎2022-05-30 07:13 AM

@GParr.1​ "i performed the installation as requested with IAR Embedded Workbench that has a specific section for the drivers installation"

If you've followed IAR's own documentation, and that hasn't worked, you should be taking that up with IAR.

Does the St-Link work with any other IDE(s) ?

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GParr.1
Associate II
In response to Andrew Neil

‎2022-05-30 08:54 AM

The installation worked without any problems on windows 10 and i was able to upload programs and work on the STM32F401 MCU without any errors showing up.

Recently I had to switch to a computer with windows 11, i re-installed the IAR program from scratch like i did the first time on windows 10. IAR still works perfectly on the new OS, but the STM32F401 doesn't.

I haven't tried it with any other IDEs because i was told to use IAR for my projects.

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Pavel A.
Evangelist III
In response to Andrew Neil

‎2022-05-31 12:23 AM

@GParr.1​ Try to install the driver manually.

Download the driver package from

https://www.st.com/en/development-tools/stsw-link009.html

and unzip into some directory.

Then right click on the ST-LINK, select Install, Browse for drivers... and point it to the unzipped directory.

If new uninstalled devices show on, repeat.

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