Manufacturer might be out of money (especially if they didn't know they're dealing with fakes). If I can ask for refund, the seller might be out of money. Money is long gone and so is the supplier of the fake chips. I paid the seller, he paid his supplied, his supplied paid the manufacturer and so on. I bought device without knowing it has a fake chip in it. For me the concept of bricking device owned by an unsuspected user is a bridge too far. However, their beef should be with fake chip suppliers and not with the end customer. And I can see how they might be annoyed with fake chips using their drivers. Now, you might thing this is their right. PLEASE CONTACT YOUR SUPPLIER." Yes, it's the exact nonsense that FTDI pulled years ago - using Microsoft Windows Update mechanism for their authenticity enforcement. While the serial port did appear, I couldn't open it or send any data.Ī quick trip to Device Manager has shown a problem: " THIS IS NOT PROLIFIC PL2303. A few days ago I needed USB type-A serial device to do a quick loopback test and grabber the same, previously working, device. After finding a suitable device, I did what was needed and forgot about it for a while. Story starts with me searching for 5V USB cable with a 3.3V signal. Yes, it's again time for a chip manufacturer to mess with your computer drivers. Double-click PL2303_64bit_Installer.exe and follow the instruction to plug in one USB to Serial adapter to continue.Well, it's been a while since the FTDI fuckup so I guess it was a time for another IC supplier to go bonkers.Remove all USB to Serial adapters from your PC.Download PL2303_64bit_Installer.exe and save it somewhere.For a solution, just follow the below guide. Those warnings may appear if you use non-original or fake chipsets. The driver was not successfully installed.There is no driver installed on this device.The error messages can be one of the following: Prolific USB to Serial Driver “Code 10” Error FixĪnother common PL2303 driver issue is the well-known “code 10” problem. If you don’t have an older version at hand, you can download one following the tip of the below content. If you failed to roll back the current PL2303 driver, you can try to update it and manually choose the old version on your computer. When it finishes successfully, just try to connect your device again. Just pick one reason and click Yes.įinally, the correct driver will install itself. In the Properties window, go to the Driver tab, and click on Roll Back Driver.ĥ. Find Prolific USB to Serial Comm Port, right-click on it, and select Properties.Ĥ. If this is true, you have to downgrade your driver back to an old version.ģ. The PL2303 driver not working error may result in your latest driver updates doesn’t work well with your hardware. However, updating a driver does not always solve the problem but instead causes some issues. If the driver is corrupted, you can uninstall it and restart the computer to let Windows install a new driver automatically. Or, you can disable and reenable it in Device Manager. #1 Update USB to Serial Driverįirst of all, the most direct way you should try is to update the outdated or missing driver. Now, let’s see how to fix the Prolific USB to Serial Driver not working issue. If so, mostly, it is the PL2303 driver that has a problem, outdated, damaged, or missing. For example, have you ever encountered an error message saying “ Please install corresponding PL2303 driver to support Windows 11 and further OS” in Device Manager when you try to connect a device to your computer using a USB to Serial adapter? Some issues are related to the PL2303 driver in Windows 11. PL2303 driver Windows 11 is the specific driver to work with the mentioned PL2303 USB to Serial adapter or controller in Windows 11 operating system (OS). It offers a bridge connection with a standard DB 9-pin male serial port connector on one end and a standard Type-A USB plug connector on the other end. The Prolific PL-2303 USB to Serial adapter is your smart and convenient accessory for connecting RS-232 serial devices to your USB-equipped Windows host computer. Windows 11 Assistant Software Recommended.Prolific USB to Serial Driver “Code 10” Error Fix.It involves the driver’s definition, downloading, as well as possible errors & fixes. This essay talked about by MiniTool Software mainly introduces a kind of Windows 11 device driver named – PL2303.
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