- Download printer drivers Make sure your printer is on and connected to your PC. Open Start Settings Devices Printers & scanners. Select the name of the printer, and then choose Remove device.
- A) Open device manager. B) Right click on the prolific device and click on Properties. C) Click on the 'Port Settings' tab. Click the 'Advanced' button. D) Pull down the scrollbar on the bottom, left side and select COM 1 (NOTE: Choose one that does not say 'in use' next to it).
- Virtual COM Port Driver is available in the Standard and PRO editions, so you can choose the optimal set of features that is perfectly suited to your needs. Standard version Virtual Serial Port Driver is designed to provide your system with an unlimited number of virtual serial port pairs that work like real hardware COM interfaces and fully.
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-->Download Compx Port Devices Driver Printer
By default, the combined operation of the Ports class installer and the Serial function driver configure a serial port as a COM port. Serial creates a COM port device interface for a serial port if the SerialSkipExternalNaming entry value for a device does not exist or is set to zero. For more information about how Serial creates a COM port device interface for a COM port and how to override this operation, see External Naming of COM Ports.
The Ports class installer performs the following tasks when it installs a serial port:
Selects a COM port number and sets a port name in the PortName entry value under the device's hardware key. The port name has the format COM<n>, where <n> is the port number. If Serial creates a COM port interface for the serial port, Serial uses the value of PortName as the symbolic link name for the COM port.
Displays a default property page dialog box, which allows a user to select settings for the port. For information about how to install a custom properties page, see Installing an Advanced Properties Page for a COM Port.
Sets the device friendly name for the device. You obtain the name using the SPDRP_FRIENDLYNAME flag with SetupDiGetDeviceRegistryProperty.
Download Compx Port Devices Driver Win 7
You can supply a co-installer to set registry settings for a Plug and Play serial device. If an entry value is not present in the registry, Serial uses a default value for the port.