Sketch won't upload to Uno, programmer is not responding

evatech · August 11, 2023, 8:41am

Hi

I'm getting this error message when I try to upload a sketch to my Uno R3. Any idea what the problem could be?

Arduino: 1.8.19 (Windows 7), Board: "Arduino Uno"

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\User\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\User\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\User\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2A03_0043 -ide-version=10819 -build-path C:\Users\User\AppData\Local\Temp\arduino_build_802863 -warnings=none -build-cache C:\Users\User\AppData\Local\Temp\arduino_cache_500453 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\User\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\User\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\User\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2A03_0043 -ide-version=10819 -build-path C:\Users\User\AppData\Local\Temp\arduino_build_802863 -warnings=none -build-cache C:\Users\User\AppData\Local\Temp\arduino_cache_500453 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino

Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Detecting libraries used...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o nul

Generating function prototypes...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\preproc\\ctags_target_for_gcc_minus_e.cpp"

"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\preproc\\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp.o"

Compiling libraries...

Compiling core...

Using precompiled core: C:\Users\User\AppData\Local\Temp\arduino_cache_500453\core\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a

Linking everything together...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp.o" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/..\\arduino_cache_500453\\core\\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a" "-LC:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863" -lm

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.eep"

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -R .eeprom "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.hex"

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-size" -A "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf"

Sketch uses 924 bytes (2%) 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:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM13 -b115200 -D -Uflash:w:C:\Users\User\AppData\Local\Temp\arduino_build_802863/Blink.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:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf"



         Using Port                    : COM13

         Using Programmer              : arduino

         Overriding Baud Rate          : 115200

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xdb



avrdude done.  Thank you.



Problem uploading to board.  See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.

Thanks

J-M-L · August 11, 2023, 9:05am

did you go there as it told you?

markd833 · August 11, 2023, 9:06am

Did you have a look at the help provided in the link at the end of the process?

Is your UNO connected via a USB cable - you don't say
Is it a known working power + data USB cable?
Is there any indication that there is power on your UNO board?
Does device manager indicate your UNO is on COM13?
Has your UNO uploaded successfully before?

evatech · August 11, 2023, 7:48am

Hi

I have an Uno R3 that I'm trying to upload sketches to but I get this error every time. Any idea what could be the problem?

Thanks!

Arduino: 1.8.19 (Windows 7), Board: "Arduino Uno"

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\User\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\User\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\User\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2A03_0043 -ide-version=10819 -build-path C:\Users\User\AppData\Local\Temp\arduino_build_802863 -warnings=none -build-cache C:\Users\User\AppData\Local\Temp\arduino_cache_500453 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\User\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\User\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\User\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2A03_0043 -ide-version=10819 -build-path C:\Users\User\AppData\Local\Temp\arduino_build_802863 -warnings=none -build-cache C:\Users\User\AppData\Local\Temp\arduino_cache_500453 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino

Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Detecting libraries used...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o nul

Generating function prototypes...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\preproc\\ctags_target_for_gcc_minus_e.cpp"

"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\preproc\\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp" -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp.o"

Compiling libraries...

Compiling core...

Using precompiled core: C:\Users\User\AppData\Local\Temp\arduino_cache_500453\core\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a

Linking everything together...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863\\sketch\\Blink.ino.cpp.o" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/..\\arduino_cache_500453\\core\\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a" "-LC:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863" -lm

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.eep"

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -R .eeprom "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf" "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.hex"

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-size" -A "C:\\Users\\User\\AppData\\Local\\Temp\\arduino_build_802863/Blink.ino.elf"

Sketch uses 924 bytes (2%) 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:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM13 -b115200 -D -Uflash:w:C:\Users\User\AppData\Local\Temp\arduino_build_802863/Blink.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:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf"



         Using Port                    : COM13

         Using Programmer              : arduino

         Overriding Baud Rate          : 115200

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xdb

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xdb



avrdude done.  Thank you.



Problem uploading to board.  See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.

pert · August 11, 2023, 9:06am

I moved your topic to an appropriate forum category @evatech.

In the future, please take some time to pick the forum category that best suits the subject of your topic. There is an "About the _____ category" topic at the top of each category that explains its purpose.

This is an important part of responsible forum usage, as explained in the "How to get the best out of this forum" guide. The guide contains a lot of other useful information. Please read it.

Thanks in advance for your cooperation.

markd833 · August 11, 2023, 9:08am

@evatech you now have 2 open discussions asking the same question.

markd833 · August 11, 2023, 9:10am

AND is this discussion also related to your problem?

pert · August 11, 2023, 9:11am

I have merged your cross-posts @evatech.

Cross-posting is against the Arduino forum rules. The reason is that duplicate posts can waste the time of the people trying to help. Someone might spend a lot of time investigating and writing a detailed answer on one topic, without knowing that someone else already did the same in the other topic.

Repeated cross-posting can result in a suspension from the forum.

In the future, please only create one topic for each distinct subject matter. This is basic forum etiquette, as explained in the "How to get the best out of this forum" guide. It contains a lot of other useful information. Please read it.

Thanks in advance for your cooperation.

evatech · August 11, 2023, 9:16am

Thanks! I couldn't see it on the page so thought it hadn't posted properly before.

evatech · August 11, 2023, 9:31am

Thanks. Yes I've gone through all the suggestions, including loopback test (which worked fine).

evatech · August 11, 2023, 9:35am

Thanks Mark.

Yes, the Uno is connected via a fully functioning USB cable (power + data USB cable).

It is naturally on (green 'on' LED is lit, in case there is any doubt).

Device manager indicates the UNO is on COM13.

"Has your UNO uploaded successfully before?" I believe it has - I haven't used it for a couple of years but it was fine when I last used it.

markd833 · August 11, 2023, 9:44am

You could try a loopback test to try and establish some level of functionality:

Did you over-write the bootloader on the UNO?

sterretje · August 11, 2023, 10:09am

Please provide the details of your project that you were working on when you started experiencing the problem.

Further

Is your Uno an genuine one or a clone?
Did it ever work before?
Anything connected to pins 0 and 1? That can interfere with the upload.
Anything connected to the Uno; try upload with Uno only connected to the PC.

evatech · August 11, 2023, 1:05pm

Thanks Mark.

Not as far as I'm aware.

evatech · August 11, 2023, 1:09pm

Thanks sterretje

Genuine ("arduino .org / Made In Italy"

Yes.

No

Nothing connected to it. I've tried upload with Uno only connected to the PC.

Thanks

markd833 · August 11, 2023, 1:52pm

I would try reprogramming the bootloader using another Arduino. This link may help:

evatech · August 11, 2023, 2:42pm

Thanks Mark. I've unfortunately tried that to no avail. Getting "Yikes! Invalid device signature". Have checked and double checked the wiring, setup etc to the process, tried using both digital pin and ICSP headers methods. Nothing works

markd833 · August 11, 2023, 3:16pm

In that case, if it's a surface mount 328P on the UNO, I'd probably chuck it. If it's a DIL package, then it may be worth trying to get hold of another one and slotting it in.

evatech · August 11, 2023, 7:12pm

Surface mount unfortunately

Thanks for all the advice though!

system · February 7, 2024, 7:12pm

This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.

Topic		Replies	Views
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Sketch won't upload to Uno, programmer is not responding

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