Uploading sketches gives me this message: avrdude: ser_open(): can't open device "\.\COM3": The system cannot find the file specified. Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions. I have an Arduino ELEGOO UNO R3 and am running Windows 10. …

I don't think my Arduino Uno is being detected by my computer.

Topic		Replies	Views
Errror in connecting Arduino UNO IDE 1.x	3	723	May 5, 2021
arduino uno does not recognize the USB/serial port IDE 1.x	4	5301	May 5, 2021
Arduino Uno SMD R3 Edition "Problem Uploading" IDE 1.x	3	2865	May 5, 2021
IDE will not upload to UNO R3 on COM IDE 1.x	3	833	May 5, 2021
trouble uploading sketch to arduino uno IDE 1.x	5	947	May 5, 2021