I get the same error every time I try to upload code to my Mega 2560 R3. I can fix it by following the troubleshooting link in the Help menu of the IDE, but that usually involves burning the bootloader. Besides, it's only fixed until I next sit down at the computer. The full error message (verbose output enabled) is as follows:
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\(my username)\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"
Using Port : COM3
Using Programmer : wiring
Overriding Baud Rate : 115200
avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified.
avrdude: ser_drain(): read error: The handle is invalid.
avrdude: ser_send(): write error: sorry no info avail
avrdude: stk500_send(): failed to send command to serial port
avrdude: ser_recv(): read error: The handle is invalid.
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: ser_send(): write error: sorry no info avail
avrdude: stk500_send(): failed to send command to serial port
avrdude: ser_recv(): read error: The handle is invalid.
(That last set of four lines is repeated five times.)
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_getsync(): timeout communicating with programmer
avrdude done. Thank you.
Failed uploading: uploading error: exit status 1
Is there some way to get it to just work correctly without having to burn the bootloader every single time I want to use that Mega?
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