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Author Topic: COM3 port doesn't exist at new notebooks. How we can connect Arduino UNO through  (Read 836 times)
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We need to install drivers for the Arduino Uno with Windows7, Vista, or XP on computer HP Pavilion dm4-1 1 60us Entertainment Notebook
( Notebbook has  three types of USB's ports: generic, root and composite, unfortunately no any  COM3 port)
We can't complete the following operation:
•   Look under Ports (COM & LPT). Â You should see an open port named "Arduino UNO (COMxx)"
•   Right click on the "Arduino UNO (COmxx)" port and choose the "Update Driver Software" option.
•   Next, choose the "Browse my computer for Driver software" option.
•   Finally, navigate to and select the Uno's driver file, named "ArduinoUNO.inf", located in the "Drivers" folder of the Arduino Software download (not the "FTDI USB Drivers" sub-directory).
•   Windows will finish up the driver installation from there.

By the way, on my desktop Windows computer, the serial port is always COM3 - at works properly.

Please help, Eli

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