Uninstall the USB adapter and its drivers: a. Right click on 'Prolific USB-to-Serial Comm Port' and choose 'Uninstall' b. When asked to confirm, choose to delete the driver software and click 'OK' c. After the uninstall completes, unplug the USB adapter from your computer and close the Device Manager. Do NOT plug the USB adapter back into the. Here you will find useful tools, utilities and diagnostics software for serial communication, including drivers and user manuals for all our products. Recommended reading: 5 Steps for Selecting the Right USB to Serial adapter. Configuring Windows USB Virtual COM Ports. Drivers are provided for various versions of Windows. Do this by right-clicking the line “USB Serial Port”. Dear Customers, We are glad to announce the release of our Windows 8 WHQL driver for PL-2303 USB-to-Serial/UART Contro. [more] PL2303SA. RS232, RS485, RS422, USB and other Serial converters: Downloads - Serial converters USB to serial RS232 adapters USB to RS485 / RS422 Accessories Wireless RS232 Serial Serial to Ethernet Converter rs232 to rs485 converter, usb to serial adapter, rs232 to rs422 converter, serial ethernet converter, serial converter.

Windows 7 will detect and pop up a wizard to install drivers when our Plugable USB to Serial adapter is plugged in, but it’s also easy (as essential on other operating systems) to install the driver software first. Here’s how.

Get the driver from: https://plugable.com/drivers/prolific/

You’ll want to download the driver and unzip it anywhere on your desktop. Once you have, double click on it to start the installation.

The installation is relatively simple and no questions are asked. When it’s done you should see something like this:
Now go ahead and connect the adapter. You should get a pop-up looking like this:
Finally Windows should report that the device has been installed:
On Device Manager you should be looking at something like this:

Usb Serial Converter Prolific

• Now, If you want to change the COM port assignment, here’s how to change the COM port for a USB Serial adapter on Windows 7