Aug 26, 2020 • Filed to: USB Recovery • Proven solutions
Download driver of version 3.3.11.152: https://mega.nz/#!xkdxzapB!S-A01Ea1F3qGCVPhdpk-uE5TXQTPuiAbYCmTHgnRZ0. Getting that Good-old USB-to-Serial Adapter to Work. Assuming you’ve successfully downloaded and unzipped the Profilic Windows 8/8.1 x64bit drivers from our Administrative Tools section, go back to the Device Manager and right click on the Prolific USB-to-Serial Comm Port with the exclamation mark and select Update Driver Software: Figure 3. Drivers Library To find the latest driver for your computer we recommend running our Free Driver Scan. Prolific USB-to-Serial Comm Port (COM3) - Driver Download. Drivers Installer for Prolific USB-to-Serial Comm Port (COM3) If you don’t want to waste time on hunting after the needed driver for your PC, feel free to use a dedicated self-acting installer. It will select only qualified and updated drivers for all hardware parts all alone. To download SCI Drivers.
Have you ever had difficulty connecting your devices to your computer using a Prolific USB to Serial adapter? If yes you are lucky to find this page, it you will give you all the information need to fix an unresponsive Serial driver adapter. You may have noticed a yellow exclamation mark hovering over or beside the USB to Serial Driver when searching your Device Manager and if you have we can all agree that it signifies a prevailing problem.
While you can't be so sure what the exact problem is there are solutions you can adopt to fix the issue once and for all. Read on to find quick fixes to resolve the problem.
1# Fix Prolific USB to Serial Driver not Working
Solution: Roll your Prolific USB to Serial Driver back to an older version
Prolific Usb To Serial Driver 3.3.3.114
Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantees 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
From My computer select 'Let me pick from a list of drivers available'
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.
2# Fix Prolific USB to Serial Driver 'Coder 10'
Driver issues reveal themselves in so many ways or through messages such as
This device will not start (Code 10)
There is no driver installed in this device
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 suing 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 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.
Prolific Usb To Serial Driver 3.3.3.114
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 are able to
Run 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 10. They may appear confusing at first but if you follow each step in detail you can resolve the issue.
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Category: Network and Modems Manufacturer: Gateway Caution Level: Intermediate Download File Size: 58 KB Operating System: Windows Vista Latest Version / Release Date: 2.0.2.1 / 07 Jul 2009
Windows device driver information for Prolific USB-to-Serial Comm Port
Prolific USB-to-Serial Comm Port is a network driver produced by gateway technologies. It offers a stylish as well as convenient computer accessory which is used for connecting serial devices which comply with the RS-232 standard to a windows computer which is USB- equipped. It enables bridge connection between a serial port connector situated in one end and a USB plug connector situated on the other end. As such, it is possible for the user to connect with the serial end to the serial port while the USB connector is plugged into the USB port of the computer. The Prolific USB-to-Serial Comm port therefore offers a convenient way for the user to add serial connections to the computer without having to insert a serial card as well as a traditional port. Worth noting is that this device is functional in all operating systems for windows. For this
Outdated Drivers?
Unless you update your drivers regularly you may face hardware performance issues.
To check your drivers you should manually verify every device on your system for driver updates
Prolific Usb To Serial Driver 3.3.3.114 Download
The Prolific USB-to-Serial Comm Port is compliant with USB specification and supports highly developed power management, for example suspend, remote wakeup and resume operations. The device is ideal for linking modems, digital cameras, card readers, PDAs and cellular phones among other serial devices to the computer. It enables serial connections with a maximum rate of data transfer placed at I mbps. Since USB does not need IRQ resources, it is possible for additional devices to be connected to the system without undergoing any device hassles as well as conflict of resources that plagued similar devices before. This device is also bus powered which means that it does not a battery or a different power supply. Furthermore, it has a plug and play capability which means that all has to do is to install it and it is ready for use. It is highly recommended you run a free registry scan for Windows and Prolific USB-to-Serial Comm Port errors before installing any driver updates.