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How to Update USB-Serial Controller D Driver

There are two ways you can update your USB-serial Controller D driver:

    • You’ll need some computer skills and patience to update your drivers this way because you need to find exactly the right driver online, download it and install it step by step.
    • This is the quickest and easiest option. It’s all done with just a couple of mouse clicks – easy even if you’re a computer newbie.

    Option 1 – Manually

    To update your USB-Serial Controller D driver manually, first, you’ll need to go to Device Manager to update the driver automatically. If Windows fails to find any updates, then head to the manufacturer’s official website to download the exact driver for your device and install it manually.

    Step 1: Update your USB-Serial Controller D driver via Device Manager

    1. Open Device Manager.
      • For Windows 10: Right-click Start and select Device Manager.
      • For Windows 10, 8.1, 7: Press the Windows logo key + R at the same time, then enter devmgmt.msc in the Run box and hit Enter.
    2. Expand Other devices and right-click your USB-Serial Controller D and select Update driver.
    3. Select Search automatically for updated driver software. Windows will find the latest driver and install it for you automatically if it finds one.

    However, Windows cannot always find the latest driver for you, so you can head to the manufacturer’s website to download the latest driver and manually install it or do it automatically in Option 2.

    Step 2: Download the USB-Serial Controller D driver from the manufacturer’s website

    1. Head to the official website of the manufacturer and download the latest driver.
    2. Double click the downloaded driver file and follow the on-screen instructions to finish the install.
    3. Restart your computer for the changes to take effect.

    Option 2 – Automatically

    If you don’t have the time, patience, or computer skills to update the USB-Serial Controller D driver manually, you can do it automatically with Driver Easy.

    Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

    You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks:

    1. Download and install Driver Easy.
    2. Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.
    3. Click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All. You get full support and a 30-day money back guarantee.)

      Note: You can do it for free if you like, but it’s partly manual.
    4. Restart your computer for the changes to take effect.

    Hopefully, you have updated your USB-Serial Controller D driver successfully.

    Feel free to leave us a comment if you have any questions or suggestions.

    Description

    The PL2303GT is a low cost and high performance USB-to-RS232 Bridge Controller with built-in RS232 transceiver. The PL2303GT provides a convenient solution for connecting an RS-232 full-duplex asynchronous serial device to any Universal Serial Bus (USB) capable host. The PL2303GT highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready.

    The PL2303GT integrates a high baud rate RS-232 transceiver that meets the EIA/TIA-232F and CCITT V.28 communications interface specifications. The RS-232 transceiver is a 3-transmitters and 5-receivers device with a high-efficient charge pump circuit embedded. It provides the bipolar output to the transmitters, and makes the transmitters to deliver the RS-232 output voltage levels. Under normal operation, PL2303GT operates at very low power consumption with guaranteed data rate up to 1Mbps.

    Драйвер для usb serial controller

    USB Serial Driver” is essential software required to comminute to your USB-To-Serial Adapters/Devices with Operating System version installed in your computer. With USB Serial Driver installed, you will be able to send data directly from ‘Serial Device’ to ‘USB Port’.

    “USB-To-Serial Adapters” are cable where one end is USB connector plug into USB port or USB hub of computer, and other end is DB9 connector which plugs into the ‘Serial Device’. In other words, “USB-To-Serial Adapters” are considered as Data Transfer cable for USB-Serial devices.

    Each USB-To-Serial Adapter cable is sold with ‘USB Serial Driver CD/DVD’ which is required to install before use for data transfer through this cable. This driver software acts as mediator between USB-Serial Adapter and Operating System like Windows 10 installed in your computer.

    “USB Serial Driver” creates virtual serial port. As data are transmitted via USB port, they come in as serial signal. Since it is not a USB signal, the USB port can’t do anything with the information even when it can recognize the information.

    Note that not all ‘Serial Devices’ can be used with USB-To-Serial Adapters, and some PCs/laptops don’t support the USB Serial Driver software. So, you should make sure your computer meets the requirements for this adapter software before purchasing the ‘USB-To-Serial Adapter’. You should try to contact the manufacturer to determine if your device is supported.

    “In computing term, ‘Serial Port’ – is the serial communication interface which allows device to transfer data one-bit at a time while ‘Parallel Port’ transfers the data as multiple bits simultaneously”.

    How to download and install USB Serial Driver on Windows 10/8/7?

    Step 1: At first, you need to visit your USB-To-Serial Adapter manufacturer website and download the driver according to your Operating System version and USB-To-Serial Adapter. Or, you can install USB Serial Driver directly from CD/DVD that comes with USB-To-Serial package during purchase.

    Step 2: If don’t want to install it from CD, then double-click on “setup file” which you are downloaded from its official website, and follow on-screen instructions to finish the installation.

    How to update USB Serial Driver on Windows PC?

    Sometimes, “USB Serial controller not working issue” can occurs if USB Serial Driver is missing, corrupted, or outdated. In this case, you need check if the driver is properly installed or not. If not, update or reinstall the Driver to fix.

    Step 1: Press “Windows + X” keys together from keyboard and select “Device Manager”

    Step 2: In the opened “Device Manager”, locate your USB-To-Serial device in the list of devices or expand “Other Devices” category to see this.

    Step 3: Right-click on your USB-Serial Controllers Driver and select “Update Driver Software…”

    Step 4: In next window, select “Browse my computer for driver software”

    Step 5: Select the folder and ‘setup file’ where you have saved the ‘Setup file’ downloaded from manufacturer’s official site.

    Step 6: Follow on-screen instructions to finish the installation process.

    Step 7: Once done, try transferring data between Serial Device and USB device.

    Conclusion

    I hope this post helped you to know about “USB Serial Driver” or “USB-To-Serial Adapter Driver” and how to download/install it in your computer. Note that if you want to transfer data between ‘Serial Device’ and ‘USB Device’ by connecting both devices using “USB-To-Serial Adapters/cables”, then you should make sure the “USB Serial Driver” is properly installed in your computer. If this post really helped you, then you can share this post with others to help them.

    Solution 1: Roll Prolific USB to Serial Driver Back to An Older Version

    Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantee maximum functionality. Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. Once you upgrade your PC to the latest Windows version your Prolific USB to Serial Driver also updates to the latest driver software and if the driver is not compatible with your Hardware issues may arise. To correct the error, you will have to download the driver again by following these steps.

    • Right-click on your PC Start button and open Device Manager
    • Double click LPT and COM ports then locate the Prolific USB to Serial Driver and right-click it so you can select Update Driver
    • For driver software click My computer

    click my computer for driver software

    • From My computer select «Let me pick from a list of drivers available»

    select the right command

    • Choose an older version from the list then click Next

    choose an older version from the list then click next

    • The driver you selected will be installed automatically
    • Once it has been downloaded reconnect the driver to see if it works.
    solution 2: Fix Prolific USB to Serial Driver «Coder 10»

    Driver issues reveal themselves in so many ways or through messages such as

    prolific usb to serialcomm port

    • This device will not start (Code 10)
    • There is no driver installed in this device
    • The driver was not successfully installed

    A code 10 error may arise because the chip you are using is not an original one. If you are using a fake, the manufacturer has a way of disabling it due to copy write infringement and the copy write takes effect once you download a recent update. To protect your PC from getting this code, you will have to make sure that your Windows 11/10 never updates a driver without approval. Updates come in the form of 64 bit and 32-bit drivers. Below we will show you how to work your way around the problem.

    Window 64 bit Fix

    To fix Windows 64 bit OS including Prolific USB to Serial Adapter, follow through these steps.

    • Download «PL2303_64bit_Installer.exe and Save
    • Remove every USB to Serial adapter from your PC and double click the «PL2303_64bit_installer.exe
    • Follow the prompt by plugging in one USB to Serial adapter the click on Continue
    • Reboot your PC to get Windows up and running

    If you have followed these process through and you still see the same error go to your device manager

    • Open the control panel and navigate to Device Manager
    • From your control panel navigate to the System category and click the Hardware tab
    • Scroll to the LPT/COM port and double click Prolific USB to Serial Comm Port
    • Click Drivers in the Properties section
    • The Driver you choose should read «3.3.2.102 with an appropriate date attached
    • If the date is wrong then it means the wrong driver was installed
    • Unplug the Serial adapter and run the steps again to install the correct driver

    Window 32-bit

    For Windows 32-bit OS systems follow these steps

    • You will have to download the «PL-2303_Driver_Installer.exe and save from Microsoft download link
    • Run the program and eradicate the driver if you can
    • Run the installer once more to install a correct driver

    To Troubleshoot for error if your device still does not work

    • Go to Control panel, enter System to access your Device Manager
    • Scroll down to the LPT/ COM port then double click Prolific USB to Serial Comm Port
    • Click Driver in the Windows Properties section
    • The driver must be numbered as «2.0.2.8» and dates accordingly

    If the driver was not installed, remove the Serial adapter then run «PL2303_Driver_Installer.exe» again. Follow directions in Device Manager to download the correct driver

    The three solutions listed in this article have proven to be quite helpful in fixing a Prolific USB to Serial driver not working on Windows 11/10. They may appear confusing at first but if you follow each step in detail you can resolve the issue.

    Watching the following tutorial video and this maybe helpful for you to solve the problem.

    Драйвер для конвертера USB RS232 (USB-Serial Controller или COM-port).

    Доступно следующее программное обеспечение:

    • драйвер от WinChipHead (чипсет CH340).
      Установку необходимо производить вручную. Также отдельно доступна альтернативная версия.
      Размер файлов: 0.26 Мб. и 0.068 Мб.
    • драйвер от Prolific (чипсет PL2303). Дополнительно доступна альтернативная версия.
      Размер файлов: 7.26 Мб. и 2.26 Мб.
    • драйвер от FTDI.
      Размер файла: 3.13 Мб.

    Все действия необходимо осуществлять с правами Администратора. После окончания инсталляции рекомендуется перезагрузить систему.

    Для справки:

    Данные переходники выпускаются как именитыми производителями оборудования, так и безымянными китайскими фабриками. Поэтому, часто внешне в одном и том же устройстве, могут быть установлены различные контроллеры. Следовательно, программное обеспечение тоже может быть разным. При инсталляции драйвера возможна некоторая «переборчивость» в операционных системах, например, корректная работа в Windows XP, но не в Windows 7. Как решение, рекомендуется осуществлять поиск драйвера по его идентификатору (ID).

    Find All USB Serial Controller D Drivers

    Browse the list below to find the driver that meets your needs. To see more matches, use our custom search engine to find the exact driver.

    Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for USB Serial Controller D. It is a software utility that will find the right driver for you — automatically.

    DriverGu >Windows drivers available for free download. We employ a team from around the world. They add hundreds of new drivers to our site every day.

    Having trouble finding the right driver? Try the Automatic Driver Update Utility, or you can request a driver and we will find it for you.

    Суть и причина проблемы при возникновении ошибки с кодом 10

    Компания «Prolific» прославилась в сети не своими чипами, а дисфункцией своих драйверов, возникающей при переходе пользователя с Windows 7 b 10. Как я уже упоминал выше, некоторые драйвера к чипам «Prolific» работают только с Виндовс 7 и ниже. И прекращают работать с более модерными версиями ОС (8,10). Многие же пользователи, перейдя с 7 на 10 версию Windows, обнаружили, что их устройства с чипами «Prolific» перестали работать. А в Диспетчере устройств рядом с названием «Prolific usb-to-serial comm port» красуется восклицательный знак, сигнализирующий о возникшей ошибке с кодом 10.

    Драйвер Prolific USB-to-Serial Comm Port для Windows 10, 8, 7

    Другим же фактором возникновения проблемы является подделка чипов «Prolific» малоизвестными китайскими производителями. Как и в случае настоящих чипов, фейковые чипы имеют тот же Vendor ID (VID_067B) и тот же «Product ID» (PID_2303), потому отличить подлинник от подделки бывает сложновато.

    Для устранения фейковых чипов «Prolific» выпустила новые драйвера, которые не работают с ненастоящими чипами, делая их бесполезными. Одновременно данное решение привело к отказу от драйверной поддержки более ранних адаптеров компании.

    Поэтому 64-битные драйвера «Prolific», распространяемые «Майкрософт» через службу обновлений Windows, версий 3.4.67.325, 3.4.25.218, 2.1.51.238, 3.4.62.293 не будут работать с большинством адаптеров. А в «Диспетчере устройств» пользователь будет видеть восклицательный знак и код ошибки 10. Или, в качестве альтернативы, вы не будете видеть ошибок в самом ДУ, но ваше устройство попросту не будет работать.

    Это может быть полезным: Скачиваем и устанавливаем драйвер Qualcomm HS-USB QDLoader 9008.

    Update and Download USB-Serial Controller D Driver Easily

    So, these were the ways through which one can update and download USB-Serial Controller D driver. We have tested all of them and can conclude that using Bit Driver Updater is the best thing to do to update USB-Serial Controller D driver. However, you can also try updating the drivers by upgrading your Windows operating system. Although it is not that helpful, and hence, we have not included it in the above guide.

    Furthermore, let us know if you know some of the tricks or methods to download the USB-Serial Controller D driver by connecting with us. You can use the comments section or any platforms such as YouTube, Facebook, and Twitter to connect with us.

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