![]() In this post, solutions are available for you to solve the Prolific USB to Serial driver issues. Hence, many people are considering whether there are problems with the latest Windows system. Many users run into this PL2303 driver not working error after updating the system to Windows 11. ![]() There is even a yellow exclamation mark beside the USB to Serial driver, which locates under “ Unknown devices”. When you viewed the status, you may be warned that “ Please install corresponding PL2303 driver to support Windows 11 and further OS”. The USB Serial to USB doesn’t respond after you connected to any external device. How to Fix Prolific USB to Serial Driver Error Code 10?Īfter updating to Windows 11, some users find that there are difficulties in connecting the devices to the computer using the Prolific USB to Serial Comm Port.How to Fix Prolific 2303 Driver Not Working on Windows 11, 10, 8, and 7.Some users even observed the error that this Serial port driver does not even attempt to communicate with Windows 10. PPS: In meantime, you can download the older driver ( v3.8.39.0 worked for me) and use it instead.Along with Windows 11, the Prolific PL2303 driver has also been updated to keep compatible with the latest Windows system. ![]() Only to pull the same shit again in 2016. PS: And yes, FTDI did say they saw the error of their ways back in 2014. I am hoping, but not holding my breath for either. I also hope that Prolific will see the error of their ways and stop bricking customer devices. I hope that Microsoft will rollback driver since it's their update that's causing issues for the customer. Their product is nothing special and there are many other manufacturers happy to take my money. Unless something changes, I won't buy a single Prolific cable ever again. Since I cannot verify their authenticity myself, buying any Prolific device is something that might bite me in the ass. What I do know is that Prolific is ready to play shenanigans with Microsoft update and brick my devices down the road. Why? Because there is no way that I, as a customer, can check if device is indeed original or not. I am never going to knowingly buy a Prolific device again. While Prolific might look at me as a potential new customer since I am in the market for a new cable, I believe that's the wrong assumption. The only person not out of money is probably the guy selling fakes in the first place. 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. ![]() Well, it's been a while since the FTDI fuckup so I guess it was a time for another IC supplier to go bonkers. ![]()
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