Upload fails: 'avrdude: ser_open(): can't open device "\\.\COM7": The system cannot find the file specified.'

Using Arduino Avrdude, stk500, Bootloader issues
1

im getting these error messeges but the same exit status1 thing, can somebody help?

Sketch uses 1176 bytes (3%) of program storage space. Maximum is 30720 bytes.
Global variables use 75 bytes (3%) of dynamic memory, leaving 1973 bytes for local variables. Maximum is 2048 bytes.
"C:\Users\cohen\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude" "-CC:\Users\cohen\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf" -v -V -patmega328p -carduino "-PCOM7" -b57600 -D "-Uflash:w:C:\Users\cohen\AppData\Local\Temp\arduino\sketches\B6B17C9A5E06C3DD3DCE9C731CA85B42/stepper-test.ino.hex:i"

avrdude: Version 6.3-20190619
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Users\cohen\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"

         Using Port                    : COM7
         Using Programmer              : arduino
         Overriding Baud Rate          : 57600
avrdude: ser_open(): can't open device "\\.\COM7": The system cannot find the file specified.



avrdude done.  Thank you.

Failed uploading: uploading error: exit status 1**strong text**
2

@hilow1209

You're using a Nano as far as I can see.

Is COM7 indeed the port that your board is connected to? Does it disappear when you disconnect the board?
Did you close the serial monitor?

3

yes, COM7 is the intended port, I'm not sure what serial monitor is or what it does so i assume its not on.

4

In that case I do not know.

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5

@hilow1209 please answer the question @sterretje asked:

In case the question wasn't clear, I'll provide instructions you can follow:

  1. Disconnect the USB cable of the Arduino board from your computer.
  2. Select Tools > Port from the Arduino IDE menus.
  3. Take note of the ports, if any, listed in the menu.
  4. Close the Tools menu.
    :exclamation: The ports list is only updated when the Tools menu is re-opened, so this step is essential.
  5. Connect the Arduino board to your computer with a USB cable.
  6. Select Tools > Port from the Arduino IDE menus. If a new port is listed in the menu, that is the port of your Arduino board.

Then reply here on this forum thread with the answer to the following questions:

  • Did a new port appear in the menu at the last step?
  • Was that new port COM7?
6

yes, and yes, and i also have serial monitor turned on now.

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