• Usb Serial Adapter 3902b568 Driver Free
• Usb Serial Adapter 3902b568 Driver Download

It is highly recommended to always use the most recent driver version available.
Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.

The package provides the installation files for FTDI USB Serial Port Driver version 2.12.16.0. If the driver is already installed on your system, updating (overwrite-installing) may fix various issues, add new functions, or just upgrade to the available version. Instructions for Installing the USB driver onto your computer: Turn on computer and make sure USB port is available. Plug in USB connector to USB port. The ' Add New Hardware WIzard ' should appear (if not, then you can open the wizard from the Control Panel) Click 'Next'. Select ' Search for the best driver for your device '. BF-330 USB 3.0 to Gigabit Ethernet Adapter. BF-830 USB to Serial Cable (DB9) BF-810 USB to Serial Adapter (DB9) BF-812 USB to Serial Adapter (DB9) BF-800 USB to Serial Adapter (DB25) BF-850 USB to Parallel Printer Adapter (DB25) BF-1284 USB to Parallel Printer Adapter. BF-3001 USB 2.0 Extension Cable. BF-4902 USB Extension over CAT5. Instructions (USB - 1x Serial port adapter): Download the USB - 1x serial port driver below - save it to your computer, do not click run. Locate the download (usually in a Download folder) then unzip USBserialwin.zip. Open Device Manager - locate the adapter - double click it - select Install driver from disk and when prompted, select the. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds a RS-232, or RS-422, or RS-485 serial communication port to your system. By taking advantage of the USB bus, the USB Serial Adapter makes it easier than ever to add serial ports and serial devices to your system with easy plug-and-play and hot plug features.

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Prolific USB to Serial Comm Port Driver Overview

If you are using a Prolific USB-to-Serial device such as PL2303, after upgrading the system to Windows 10, it is out of work. And when you open device manager, there is a yellow exclamation in the Ports (COM & LPT) list: Prolific USB-to-Serial Comm Port (COM5).

And when choosing the properties from the right-click context menu, the General tab shows a code 10 error: the device cannot start.

What is Prolific USB to Serial Devices?

The USB to Serial devices is developed by Prolific to provide interface bridge solution to connect your legacy peripherals and application on Windows, Mac, Linux and Android system.

Tips:

If you think your profilic USB cable is broken, you can get another one from here: Prolific USB 2.0 to RS-232 DB9 Serial Adapter.

How to Download Prolific USB-to-Serial Comm Port Driver

So when you met this problem, do not worry about it. There are 3 ways you can do to solve it.

Solution 1: Update Prolific USB-to-Serial Driver in Device Manager

The normal way and fast way to solve it is to update the USB to the serial device driver in device manager. It will help Windows 10 recognize the devices again and restart it.

1. Open device manager by right-click Windows icon and choose it from the results.

2. Expand Ports (Com & LPT), right-click Prolific USB-to-Serial Comm Port (Com5) to select Update Driver Software. In your computer, maybe it is another comm port.

3. Search automatically for updated driver software. In this step, windows will search the latest of prolific USB to Serial driver for Windows 10.

After Windows 10 detected the right driver, it will download and install it automatically.

If the device manager cannot help you solve this problem, try to use the next two solutions.

Solution 2: Update Prolific USB to Serial Drivers Automatically

If you have the problem of manual downloading the USB to serial driver, you can use Driver Booster to help you.

Driver Booster, a professional drivers download and update software, can scan all the missing and outdated devices drivers such as graphic, audio, USB, keyboard, speaker, mouse, monitor, battery etc. So if your prolific USB to serial driver missed, this software can fix it easily and fast.

1. Download, install and run Driver Booster on your computer.

2. Follow Scan > Update or Update Now process to finish update the prolific USB to Serial drivers.

Driver Booster can detect all the computer devices including internal and external devices. In Windows 10, it will identify all the devices and shows the original driver version, release date, manufacturer.

After identifying all devices, it will compare these drivers with the latest drivers. If the driver is not the latest one, it will recommend the latest driver. If one of the devices does not have a driver, it will also provide the latest driver.

Solution 3: Manually Download Prolific USB to Serial Drivers for Windows 10

Usb Serial Adapter 3902b568 Driver Free

Before you fix it manually, you need to uninstall USB to Serial device at first.

1. Right-click the Prolific USB-to-Serial Comm Port and choose to Uninstall to delete the device.

Usb Serial Adapter 3902b568 Driver Download

2. Enter the Prolific download center. Here use the PL2303 as an example. Then you will see the different devices. You can choose PL2303 windows driver download.

3. In PL2303 Windows drivers download page, you can download the driver file: 18.0B.zip.

This file supports windows 10 and it is a WHQL driver. So you can download it safely. After PL2303_Prolific_DriverInstaller_v1.18.0B.zip file downloading finished, install it step by step.

After updating the driver, reboot the computer and check it in the device manager. And of course, you can check if the code 10 error disappears.

So using these 3 methods to update prolific USB to Serial drivers for Windows 10 can fix the devices not working issue.

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