STLINK not detected by the computer; not shown in device manager

[GLFIEW]

Edit by ST Moderator: This post has been translated from Chinese to comply with the ST Community Terms and Conditions (§10.2).

Why the computer can't detect the STLINK interface or the device manager doesn't show the unknown device after plugging in the stlink?

[Peter BENSCH]

Welcome @GLFIEW, to the community!

please upload a legible photo (front and back) of the ST-LINK.

What operating system are you using?

Regards
/Peter

[Andrew Neil]

If it doesn't even show up as an unknown device, that means the computer is not seeing it at all.

Are you sure you are using a proper data cable - not just a charging cable (with no data connections) ?

https://community.st.com/t5/stm32-mcus/how-to-solve-debugger-connection-issues/tac-p/698105/highlight/true#M956

Is it a genuine ST-Link?

https://community.st.com/t5/stm32-mcus/how-to-recognize-a-genuine-st-link-v2-versus-a-cloned-one/tac-p/703663/highlight/true#M965

Give more details of your System.

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

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