Locating a serial port in Windows

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Locating a serial port in Windows

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If having trouble locating a serial port, the Windows Device Manager can be used to confirm which serial ports Windows knows that you have installed and whether or not they are working correctly.


To open Device Manager, click the Settings tab and select System Information from the General category. Then click the button labeled Device Manager.






The Windows Device Manager


Device Manager contains a list of Device categories listed alphabetically. To see a list of the serial ports that have been installed, expand the Ports category by clicking > symbol located to the left of the Ports label. In the example below, you can see that 5 serial ports have been installed (again, listed alphabetically) and are operating correctly.