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After months of good use, both my boards Mega 2560 and Uno became unavailable for uploading sketch or burning bootloader.

Sketch uses 444 bytes (1%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
C:\[...]bin/avrdude -CC:[...]avrdude\6.3.0-arduino9/etc/avrdude.conf -v -patmega328p -cstk500v1 -PCOM5 -Uflash:w:C:\Users\GREGOR~1\AppData\Local\Temp\arduino_build_242793/BareMinimum.ino.hex:i 

avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:[...]\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf"

         Using Port                    : COM5
         Using Programmer              : stk500v1
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x03

Facts :

  • v1.6.20 of the boards
  • v1.8.5 of the IDE
  • Windows 8.1 64bits
  • Programmer: "AVR ISP"
  • Drivers are fine (the boards are well recognized)
  • Serial monitor works
  • I'm trying to upload the "Bare minimum" exemple sketch
  • Nothing in pin 0 and 1, nothing at all is plugged actually
  • Get Board info:
  • Uno : VID 2A03
  • Mega2560 : VID 2A03
  • From instructions here, every instruction is "echoed back"

What i tried :

Nothing works. If you have any idea.....

Thank you all !

  • 1
    What i tried : ... i do not see rebooted computer on the list – jsotola Jan 25 '18 at 17:47
  • haha @jsotola but I did :) – Gregory Kapustin Jan 26 '18 at 10:33
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It eventually worked by using upload / ctrl+U (what I didn't try... smh) instead of upload using programmer / ctrl+shift+U.

So i know now where it comes from, though I don't know what's wrong with AVR ISP.

  • 1
    "upload using programmer" requires one more step to work. You need to change one of your Arduinos into an ISP (there is a sketch for that) then you put some wires between the ArduinoISP and clean (no bootloader) ATmega/ATtiny, and you can write program (or bootloader) directly to the chip. Your ArduinoIDE was trying to find the ArduinoISP, but it couldn't because there wasn't any. and told you "programmer is not responding" Read more here: arduino.cc/en/Tutorial/ArduinoISP – Filip Franik Jul 25 '18 at 14:12

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