Thanks @klaatu2. Changing to UART really helped to enable flashing via UART. But my issue was that I simply used the wrong USB connector. Switching the cable to the other one I am now able to flash via JTAG and also debug.

The esp32c6-devkitC-1 has two usb connectors

With one flashing and monitoring is possible. The device manager shows the Siliconlabs COM port https://esp32.com/download/file.php?mode=view&id=16425 .

Connecting the USB cable to the other connector enables not only flashing but also debugging. The ...

Hi @rashid_20, Hi @haz_coder, could you please give some more details about the JTAG USB fix.

Trying to flash my first hello_world example to an ESP32-C6 DEVKITC-1 V1.2 using ESP-IDF extension on VSCode a dialog box pos up with "OpenOCD is not running, do you want to launch it?". Pressing Yes results in

C:\workspace\.espressif\tools\openocd-esp32\v0.12.0-esp32-20241016\openocd-esp32\bin ...

Now I got a original ESP32-C6-DevKitC-1 from Expressif. My first one from https://de.aliexpress.com/item/1005006475936985.html?spm=a2g0o.order_list.order_list_main.10.60ee5c5fFUx1W6&gatewayAdapt=glo2deu from Tools Electronic Store on AliExpress did not work.
This is how a putty output should look ...

Hi ESP_radurentea,

Thank you for contacting me, but after spending so many hours trying to find the cause of the problem, I have decided to declare the appliances non-functional and return them to the seller. (see also https://esp32.com/viewtopic.php?f=2&t=44086)

Hi,

I have an issue with my new ESP32-C6 devkitC-1-N8 and I followed the trouble shooting guidance on https://docs.espressif.com/projects/esp-idf/en/stable/esp32c6/get-started/establish-serial-connection.html#troubleshooting but pressing boot or reset on the devkit does not generate any output to ...

The cable is ok.

I followed the trouble shooting guidance on https://docs.espressif.com/projects/esp-idf/en/stable/esp32c6/get-started/establish-serial-connection.html#troubleshooting but pressing boot or reset on the devkit does not generate any output to putty. I would appreciate a hint or even ...

Hi all,

making my first steps with the ESP32-C6 DevkitC-1 and the hello_world example on VSCode + ESP-IDF 1.9.

I would appreciate a hint what might be wrong and result in a "no serial data received". Here is the command line output.

PS C:\workspace\esp\examples\hello_world> idf.py -p COM8 flash ...

Thanks. It was the cable. Now at least the USB to UART is visible in the device manager.