Next, it will be necessary to delete all GRAY (not black) USB Serial Port devices that are not in use. To do this from device manager, click View>Hidden Devices. Next you will need to review all COM ports that are hidden from view, but assigned to other devices that are not in use. Manual COM Port Removal Methodįrom the command line, enter the following two commands: > set DEVMGR_SHOW_NONPRESENT_DEVICES=1 This tools is published by FTDI, which is vetted and trusted by NCD: Support/Utilities/ CDMUninstaller_v1.4.zipįrom the command line, execute the following command: CDMUninstaller.exe 0403 6001 -lĬomplete Documentation can be found here. The following tool may be used to remove all hidden COM ports at once. The process for cleaning up unused ports is as follows: Automatic COM Port Removal Method If the above steps did not work, and your computer has had unusually large number of COM ports assigned (more then 256), then it will not be possible to mount additional COM ports to your computer without cleaning up all unused ports. This should also allow COM devices to list properly in AnyI2C software. Now re-run Base Station Software () and your Virtual Serial Device should appear. If all goes well, your Virtual COM Port Driver will be loaded and ready to run. The device should now be visible to your operating system. Once checked, click OK.ĭisconnect the USB device and reconnect. Right click on “USB Serial Converter” and select “Properties”.Īfter opening the Properties for the device, click on the “Advanced” tab and MAKE SURE the “Load VCP” option is checked. With your USB device plugged in, Expand the “Universal Serial Bus controllers” list to reveal “USB Serial Converter”. Step 2: Examine the USB to Serial Converter Settings Click on the “Device Manager” as shown in Blue in the screenshot below. Move your Mouse pointer to the lower left corner of the screen and type “Device Manager”. If this does not mount the virtual COM port to your system, please follow the steps outlined below. In most cases, this should resolve your virtual COM port registration problem and a new COM port should appear in “Device Manager”. NCD hardware uses FTDI drivers for most devices, you should download and install the latest FTDI drivers from here. We STRONGLY ADVISE installation of the latest drivers for your particular operating system before going any further. We have seen ALL THREE factors prevent proper operation. Recent operating system updates, hardware (VCP Chip) revisions, and VCP drivers may prevent a Virtual COM Port from registering properly with your operating system. If you are unable to use Base Station or AnyI2C software because the COM port is not showing up, here’s an easy fix: Prerequisite: VCP Driver Installation We recently discovered after a Windows 10 Update, that Virtual COM Port drivers may not load any-longer by default for some devices. If you are using Windows 10 (or any other operating system) and having problems getting a Virtual COM Port to be assigned to your system, follow these steps. Unable to Mount Virtual COM Port in Windows 10
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