Cant upload my file

Development Tools Uploading
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Hi, im really new to arduino and i dont get it. im trying to connect my arduino board to mac. So im testing the upload with blink and this code keeps repeating; avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00. What does it mean and how do i solve it?? Im using arduino uno r3 with mac

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  • You need to read and follow the Forum’s Posting Guidelines when asking questions.
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Arduino has tens of boards; so which one? Is it a clone or an original?

Your error message indicates that you are ysing using an AVR based board and there are, to my knowledge no AVR vased based boards that work with the Arduino IoT Cloud. So the question is what you are using? IDE 2.x? IDE 1.x? Or the web editor?

There is a dedicated section on the forum for upload problems and your topic has been moved there.

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Im truly sorry. I'll check the posting guidelines next time when i have question.

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Thank you. Its IDE 2.x. I think its supposed to be original? I got the arduino board from the arduino starter kit multi language

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If its an Arduino branded starter kit then it ought to have a genuine Uno board. If its a third party starter kit, then it may contain a third party or a clone board. Can you post a photo of the board? It should help us establish exactly what it is.

The error message is basically stating that the programmer (avrdude upload tool) is having difficulty establishing a connection with the board. The are a number of reasons why this might be happening, but first, lets establish exactly what UNO board you actually have.

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It’s arduino uno r3

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  1. Which operating system are you using?
  2. What does your operating system think of your board?
  3. The board should come with the blink sketch pre-loaded. Does the onboard LED flash (one second on / one second off) as expected?
  4. If you press and release the reset button, do you get 3 quick flashes before the blink sketch starts?
  5. Did you select the correct port in the IDE? Does that port disappear when you disconnect the board?
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  1. its macos or rather macbook pro if that helps
  2. im not sure what you mean with the question but the board does connect with macos
  3. yes
  4. yes
  5. i dont think so? when i disconnect the port, the port doesnt disappear, but im using a power adapter, so maybe the power adapter makes me unable to upload files?
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I'm not a a Mac user so have no idea about the differences.

Not sure what that is but external power via the barrel or Vin should not affect it.

OK, that indicates that you have the wrong port selected in the IDE. Which brings the question what below means? Does it mean that you can see the board somewhere in the operating system? If yes, as what. And does that disappear when you disconnect the board?

As said, I'm not a Mac user so can't help further.

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no problem. i appreciate the assistance

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Hi @summerjade. Please try this troubleshooting procedure and then report the results:

:red_exclamation_mark: This procedure is not intended to solve the problem. The purpose is to gather more information.

  1. Unplug the USB cable of your Arduino board from your computer if it is currently connected.
  2. Click the Apple logo on the left side of the menu bar at the top of the screen ("Apple menu").
  3. Select "System Settings..." from the menu.
  4. A "System Settings" window will open. Click "General" in the menu on the left side of the window.
    ⓘ You may need to scroll the menu down to see "General".
  5. Click "About" on the panel at the right side of the "System Settings" window.
  6. The "About" panel will open. Click the "System Report..." button at the bottom of the panel.
  7. The "System Information" window will now open. Select Hardware > USB from the tree on the left side of the window.
  8. Take note of the contents of the "USB Device Tree" panel of the "System Information" window.
  9. Connect the Arduino board to your computer with a USB cable.
  10. Select File > Refresh Information from the menu bar.

Please add a reply here on this forum topic to tell us whether you see any new device appear in the "USB Device Tree" panel of the "System Information" window after performing the last step.

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Hello, i tried your suggestion and there wasnt any changes before or after connecting the arduino board.

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OK, this eliminates the possibility that the problem is specific to the Arduino IDE applications and thus tells us that the problem is at the operating system or hardware level.
Make sure the USB cable is completely plugged into both the Arduino board and the PC.

If that doesn't help, you may have a damaged/defective or charge-only USB cable. Try a different cable.

Either of the above can result in the power connections being made (and thus LEDs lit on the board), but no data connections (and thus no port for the board).