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Uploading Sketch Problem Arduino

   

If you have a problem and get worst like
avrdude: ser_open(): can't open device "\\.\YOUR COM": Access is denied.
Problem uploading to board.  See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
Then you have do a lot of things in this forum
http://forum.arduino.cc/index.php?topic=51489.0
Your device work properly, your connection cable is good, you don't connect any Tx and Rx with other cable, than you still have a problem this is the best solution but you still frustrated :b, it is because

when you install the driver of FTDI, there is still a   Virtual Comp like this:



In my case I have USB Serial Converter and USB Serial (COM3), then when u upload a sketch  that will happen like this.



But when, In my case I have USB Serial Converter, then I delete the  USB Serial (COM3)




when u upload a sketch  that will happen like this...


It works !!!
Now,  How to delete the Virtual Port ?
Follow this



1. Double Click on FT23R USB UART
2. Select Hardware
Then Do like this picture

Then Dont Forget to Uncheck Load VCP


All in all, unplug then plug again your arduino until you have this setting





It Works For Windows 7,8, and 10 !!!!


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8 komentar

  1. I followed the steps but now Arduino doesn't appear in any port.

    1. What is your OS ?

  2. My COM3 port is gone .. so eh.. Help? Win10

    1. Check again, with my step. u have to follow step by step.

  3. I followed the steps exactly and the device is no longer listed under Ports. It is listed under Universal Serial Bus controllers, it is not assigned a COM port and I cannot upload to it. I am using a Pro Mini 3.3V 8MHz, Windows 7

    1. I can't answer it, if you are not using FTDI driver for uploading the pro mini.

  4. Did it finally work for you? I have the same issue.

    1. Yes it worked, if this cannot help u, you can try to downgrade your windows to windows 7 or 8. That's all my suggestion

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