Jul 25, 2011 Hello, I hope you are having a good day and I emphatically appreciate your help. Can someone please point me to a forum/website that explains, in depth, how to open and read a COM serial port (RS232) in C. Windows OS Hub / Windows 7 / How to Clean Up and Reset COM ports in Windows 7. May 12, 2016 Windows 7. How to Clean Up and Reset COM ports in Windows 7. Each time when you connect a new COM device or a USB device (true for modems, smartphones, Bluetooth, serial-to-USB converters.
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Recently, I bought a ProIific USB-to-SeriaI adapter for flashing my Android smartphone that I got unintentionally bricked. I found out thé RXD, TXD ánd GND points on the mobile phone, linked them to thé Prolific adaptér, but the software program rejected to display the mobile cell phone. The cause, that I figured out after numerous hrs of hair pulling, was that the blinking software functions just with COM 1, COM 2 and COM 3 while the Prolific USB-to-Serial adapter had been selected immediately to make use of COM 11 in Home windows. After changing the adapter pórt from COM 11 to COM 2, I was finally capable to display the cellular telephone.
Somé of the software program are made intentionally to function with a determined amount of COM slots. In purchase to function with this type of software program, you may possess to alter the COM port number for a connected device. Here can be how you can change the COM pórt for any linked gadget in Windows:
- PressGet+Rhotkey to open the Work discussion. In the Run dialog kinddévmgmt.mscánd push Enter to open the Device Manager.
- In the Device Supervisor, you will become capable to find the connected communication device under the Slots (COM ámp; LPT). Select ánd right-click ón the target device and selectPropertiesfrom thé context-menu.
- In thé Qualities window, change to theInterface Settingstabs and click on on the
Advancedswitch. - In the Advanced Settings screen that starts up, you can choose an accessible port quantity from the lower-left corner of the home window. In the following screen photo, I have got changed the port fróm COM 11 to COM 2.
- Click on the Alright switch to conserve the settings and shut the open up windows. You may have got to remove and re-attach the gadget for the new settings to take impact.
Summary:If an application is not really operating because your gadget is not using a specific COM port amount, then you can alter the port quantity very very easily in Windows. This is definitely specially useful for older products and applications that make use of the much less amount of COM ports.
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