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Before we do anything, you want to make sure you have the “STM32CubeProgrammer” https://www.st.com/en/development-tools/stm32cubeprog.html, and “STM32CubeIDE” https://www.st.com/en/development-tools/stm32cubeide.html software installed on your computer - the latter is not necessary but is convenient for flashing and debugging. In terms of hardware, you’ll want a STLinkV2 or STLink V2.1 programmer, like the one in the image below - there should be some lying around in the bay.
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Why are you Here?
You’re probably reading this article because you get a pop-up similar to the following when you try to flash your board/connect to the programmer.
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