The reason behind the error is clear: the drivers have malfunctioned on the PC.ĭrivers are key components that allow a computer to communicate with the devices connected to it. First, let’s address the What – What is Causing Prolific USB to Serial Connectors to Stop Working? So, let’s break down the Prolific USB to Serial issue into these three categories. To resolve any issue on your PC, you need to understand three things – Read the post till the end! Best Ways to Fix Prolific USB to Serial Driver Not Working on Windows This blog discusses fixing Prolific USB to Serial drivers not working on your Windows 10/11 PC. It has been observed that the issue often prevails due to the driver issues on your PC. Reason for Prolific USB connector not working. However, if you are using a dedicated USB to Serial converter by Prolific and it has stopped working, this blog will surely help. The Prolific USB to serial connectors helps convert USB to Serial/UART/RS232, allowing you to easily connect any legacy peripherals to your modern PC. This is when you can opt for Prolific USB to serial driver connectors. However, some of these devices connect to modern PC require a serial port on your computer. Since the revolution of computing devices, these have been replaced by USBs. These are the oldest peripheral connectors for PCs that connect old modems, printers, and other devices. Serial ports have been around for decades.

Prolific usb to serial comm port driver