Blue Pill - Error: Target not found

sambanerjee · ‎2025-10-09

I'm using the stm32 board (STM32F103C8T6) the blue pill for testing. I'm just flashing a blinking led code but getting an error Target not found: No stm board found and also getting ST-Link not found after that. Can anyone help me to resolve this issue. - Attaching the screenshots for your reference.

Andrew Neil · ‎2025-10-09

Note that the Blue Pill is not an ST product, and likely contains a fake STM32.

Are you using a genuine ST-Link?

How to recognize a genuine ST-LINK/V2 versus a cloned one.

General troubleshooting guides for debugger connection issues:

How to solve connection errors when connecting and programming the STM32 target board.

How to solve debugger connection issues.

A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.

Andrew Neil · ‎2025-10-09

@sambanerjee wrote:

This happens when you have specified a specific ST-Link (by serial number) in your debug setup, and that particular ST-Link is not found.

Uncheck that box.

A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.

sambanerjee · ‎2025-10-09

Hi Andrew,

Thanks for your reply. As you mentioned, I unchecked that box and tried again. Now I'm getting an error as Target no device found.

AScha.3 · ‎2025-10-09

Hi,

so at first get CubeProgrammer, and connect then with the blue pill.

Show screen...what its telling.

Then we go on, to get it working.

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