WebNov 30, 2014 · If an exception is thrown from the radio class, the serial port is not closed. If you try to do another download or upload, then you will get an access denied error Webthe communication port COM3 could not be opened. windows error#433-se ha especificado un dispositivo que no existe. i have thies error when i try to made a communication between a module AG9 trough usb to ttl serial module, but the proble is had that problem tanks for your help. This thread is locked.
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WebError has Occurred, Could not open Com Port x Each USB slot is connected to a separate com port to avoid conflict. Changing your USB slot will change the com port number. After making this change, you must unplug and replug your USB programming cable for the new com port number to be effective. Run-time error 8020: Error reading from comm device. Web5) Plug the USB programming cable into the USB port of your PC. You should see a balloon popup that says "Installing device driver software" A few seconds later you will get a balloon popup that says "Device driver software was not successfully installed" 6) Launch Device Manager. [ Start Right-click Computer Properties Device Manager ] early intervention milford ma
Baofeng programming with Chirp Setup Problem with COM Port
WebAug 28, 2011 · Hmmm… ok, it’s not yet clear what is opening the COM port first, or causing hyperterminal to not be able to open it. Two more quick things to try: If you type "hyperterminal’ at the windows start menu, then once it comes up, righ t click and select “run as administrator”, can it then access the serial port? WebNov 11, 2013 · On some laptops, the device manager may indicate the cable is installed correctly, but CHIRP may not detect the COM Port. This may occur if Windows Power Management is enabled on the device. To activate the cable, go to the Device Manager and right click on Prolific USB-to-Serial Comm Port (COMX). X denotes the COM port number. WebNov 15, 2024 · Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step. I had only one other entry, a "ser2pl.inf" version "09/16/2024 3.8.40.0". Disconnect the device, and "pnputil /delete-driver oemXY.inf" with the INF file you located in the previous step. Connect the device again, and it should ... cst project template