Try running a dedicated PC optimization tool to check the health of your PC and apply the necessary fixes. Is your computer running slow or suffering system glitches? If so, it may need maintenance. You don’t want to create new problems by installing incompatible device drivers. Once you find the driver, be sure to check if it’s compatible with your Windows version. If you have the required computer skills, you can go to the official Prolific website and search for the latest Prolific USB-to-Serialĭriver. How to fix Prolific USB-to-Serial Comm Port issues on Windows 10 Fix 1: Manually download the latest Prolific USB-to-Serial driver
Corrupt, missing, outdated, or incompatible USB drivers. If your Prolific USB-to-Serial adapter refuses to work, one of the following could be responsible for the error: Device driver was not successfully installed. Double-click “Prolific USB-to-Serial Comm Port (COM5)”, and you’ll see one of the following messages: To verify if your driver has issues, open Device Manager on your PC and expand “Ports (COM & LPT)”. As a result, earlier chips (version PL-2303) became unusable, giving the error code 10. So, when Prolific, the company behind the original chips, discovered that counterfeits were being sold, it dropped support for the old ones. What causes Prolific USB-to-Serial driver errors?Īccording to a section of users, counterfeit chips are to blame. In other words, without device drivers, your hardware devices won’t function properly. As we all know, a device driver enables the communication between a hardware device and a computer’s operating system. Now, for this communication to go through the comm port, your PC should have Prolific USB-to-Serial drivers installed. About Outbyte, uninstall instructions, EULA, Privacy Policy.
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