How to solve the problem with: 1. " Error: No STM32 target found!". 2. "Error in final launch sequence: Failed to start GDB server Failed to start GDB server Error in initializing
![Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/h8y6J.png)
Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange
![Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/2Tbck.jpg)
Unable to flash a stm32 (STEVAL-PTOOL1V1) : No device found on target - Electrical Engineering Stack Exchange
![stm32 - How to fix: ST-LINK device status: RUN_MODE Failed to initialize external memory! - Electrical Engineering Stack Exchange stm32 - How to fix: ST-LINK device status: RUN_MODE Failed to initialize external memory! - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/UTjnG.png)
stm32 - How to fix: ST-LINK device status: RUN_MODE Failed to initialize external memory! - Electrical Engineering Stack Exchange
![ST-LINK error: "The interface firmware FAILED to reset/halt the target MCU" - Mbed OS - Arm Mbed OS support forum ST-LINK error: "The interface firmware FAILED to reset/halt the target MCU" - Mbed OS - Arm Mbed OS support forum](https://global.discourse-cdn.com/standard17/uploads/mbed/original/2X/1/196628359f290b9355d45ed85a2d499e2b16e815.png)
ST-LINK error: "The interface firmware FAILED to reset/halt the target MCU" - Mbed OS - Arm Mbed OS support forum
![解决IAR环境下用ST-LINK烧录stm32出现: Fatal error: ST-Link, No MCU device found Session aborted! 错误_51CTO博客_stm32用stlink怎么烧录 解决IAR环境下用ST-LINK烧录stm32出现: Fatal error: ST-Link, No MCU device found Session aborted! 错误_51CTO博客_stm32用stlink怎么烧录](https://s2.51cto.com/images/blog/202107/27/e00e65f79e1224ed482ed0f632c09db9.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=)
解决IAR环境下用ST-LINK烧录stm32出现: Fatal error: ST-Link, No MCU device found Session aborted! 错误_51CTO博客_stm32用stlink怎么烧录
![Atollic + STM32F4 + ST-Link v2 connection problem "Unknown MCU found on target" - Electrical Engineering Stack Exchange Atollic + STM32F4 + ST-Link v2 connection problem "Unknown MCU found on target" - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Ozmp4.jpg)
Atollic + STM32F4 + ST-Link v2 connection problem "Unknown MCU found on target" - Electrical Engineering Stack Exchange
![configuration - Error when using debugging under Atollic TrueStudio / STM32 - Electrical Engineering Stack Exchange configuration - Error when using debugging under Atollic TrueStudio / STM32 - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/wHL1O.png)