Sketch uses 233960 bytes (17%) of program storage space. Maximum is 1310720 bytes.
Global variables use 13676 bytes (4%) of dynamic memory, leaving 314004 bytes for local variables. Maximum is 327680 bytes.
esptool.py v4.5.1
Serial port COM1
Connecting......................................
A fatal error occurred: Failed to connect to ESP32-C3: No serial data received.
For troubleshooting steps visit: https://docs.espressif.com/projects/esptool/en/latest/troubleshooting.html
Failed uploading: uploading error: exit status 2

设备管理器截图

端口那项下面有你的c3吗？

兄弟解决了吗，我也遇到这个问题了

好像要在connecting.....的时候按住boot

C3上传需要手动进下载模式：按住 BOOT 键，点按 RESET，再松 BOOT。另外检查下 USB 线是不是只有充电线没有数据线，以及 CH340/CP2102 驱动装好了没。