how to find com port number in windows 10
You can check what device is using what COM port from the Device Manager. It will be listed under the hidden devices. From the Device Manager, select View-Show Hidden Devices. Now when you expand the (PORTS) COM ports section you will see all of the COM ports listed there. To check what port is used by what service.Open device manager Select the COM Port Right click and then click on Properties/Port Settings Tab/Advanced Button/COM Port Number Drop-down menu and assigned the COM port.ou can check what device is using what COM port from the Device Manager. It will be listed under the hidden devices. From the Device Manager, select View-Show Hidden Devices. Now when you expand the (PORTS) COM ports section you will see all of the COM ports listed there. To check what port is used by what service.