fix prolific usb to serial comm port for win 10

Uninstall the USB adapter and its drivers:Ī. Note 2: If the 'Ports' category is not present, or the 'Prolific USB-to-Serial.' device is not listedģ. Note 1: If an error is NOT shown, then the driver is installed correctly – do NOT follow the Small error icon with an exclamation mark as shown here, Windows installed the wrong driver. USB adapter will show as 'Prolific USB-to-Serial.' followed by the assigned COM port number.

Click the arrow to the left of 'Ports' to expand the category. Look down the list of items for the 'Ports' category. Choose 'Device Manager' from the menu that pops up.Ģ. From the Start screen, push and hold the Windows key ( ) and With the USB adapter cable plugged into the computer, follow these steps to open the Device Manager:Ī. Follow these steps to confirm and correct this problem.ġ. The most common reason the computer interface cable fails to work is because Windows chooses to install its own driver for the USB cable instead of the driver you just loaded from the FarmTek CD or website. This troubleshooting guide will help you fix driver installation problems on a Windows 8 computer. This guide should be referenced only if you are experiencing a driver installation failure.

If not, follow the instructions supplied with the computer interface cable. Computer Interface Cable - Driver Installation Repair This guide assumes you have already attempted installation of the USB driver supplied with the computer interface cable.

Fix prolific usb to serial comm port for win 10