REALLY Weird problem : r/arduino
![Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange](https://filedb.experts-exchange.com/incoming/2020/02_w07/1443217/new-1.png "Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange")
Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange
Arduino-er: Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
I'm having the (Uploading error: Error:avrdude: ser_open(): can't set com-state) problem with my cinese Arduino nano
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
avrdude: ser_open(): can't set com-state for "\\.\COM5" - YouTube
Arduino: How To Fix ser_open(): can't open device - YouTube
Arduino IDE error: ser_open(): can't open device "/dev/ttyACM0": Permission denied - YouTube
Arduino: avrdude: ser_open(): can't set com-state for "\.COM2" (2 Solutions!!) - YouTube
Zumo 32u4 - Not able to upload sketches - Robots - Pololu Forum
Arduino-er: Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
avrdude: ser_open(): can't open device "\\.\com3": - IDE 1.x - Arduino Forum
Solving Arduino error "avrdude ser_open() can't set com-state" on Windows 11 - YouTube
Uploading error: Error:avrdude: ser_open(): can't set com-state for "\\.\COM3" - IDE 1.x - Arduino Forum
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
Arduino Error - avrdude, can't open device ttyACM0, permission denied - YouTube
avrdude: ser_open(): can't open device "\\.\COM7": Access denied. - IDE 1.x - Arduino Forum
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
arduino uno - avrdude ser_open() can't set com-state - Arduino Stack Exchange
!["avrdude: ser_open(): can't set com-state for \\.\COM4" - tuto driver Arduino [EN/FR] - YouTube](https://i.ytimg.com/vi/klasFUNhRi8/hqdefault.jpg "\"avrdude: ser_open(): can't set com-state for \\.\COM4\" - tuto driver Arduino [EN/FR] - YouTube")
"avrdude: ser_open(): can't set com-state for \\.\COM4" - tuto driver Arduino [EN/FR] - YouTube
Uploading error: Error:avrdude: ser_open(): can't set com-state for "\\.\COM3" - IDE 1.x - Arduino Forum
