Search automatically for updated driver software. In your computer, maybe it is another comm port.ģ. Expand Ports (Com & LPT), right-click Prolific USB-to-Serial Comm Port (Com5) to select Update Driver Software. Open device manager by right-click Windows icon and choose it from the results.Ģ. It will help Windows 10 recognize the devices again and restart it.ġ. The normal way and fast way to fix usb-serial controller driver unavailable is to update the USB to the serial device driver in device manager. There are 3 ways you can do to solve it.ġ: Update Prolific USB-to-Serial Driver in Device ManagerĢ: Update Prolific USB to Serial Drivers Automaticallyģ: Manually Download Prolific USB to Serial Drivers for Windows 11/10 Solution 1: Update Prolific USB-to-Serial Driver in Device Manager So when you met this problem, do not worry about it. How to Download Prolific USB-to-Serial Comm Port Driver If you think your profilic USB cable is broken, you can get another one from here: Prolific USB 2.0 to RS-232 DB9 Serial Adapter. ![]() The USB to Serial devices is developed by Prolific to provide interface bridge solution to connect your legacy peripherals and application on Windows, Mac, Linux and Android system. And when you open device manager, there is a yellow exclamation in the Ports (COM & LPT) list: Prolific USB-to-Serial Comm Port (COM5).Īnd when choosing the properties from the right-click context menu, the General tab shows a code 10 error: the device cannot start. If you are using a Prolific USB-to-Serial device such as PL2303, after upgrading the system to Windows 10, it is out of work. How to Update Prolific USB to Serial Driver Prolific USB to Serial Comm Port Driver Overview Product: AP1103 (AP1100) USB Serial ConverterĮ-mail: Plugable USB to RS-232 DB9 Serial Adapter (PL-2303HX Rev D chipset)Į-mail: contact our worldwide distributors for other cable product reference and chip samples.Prolific USB to Serial Comm Port Driver Overview Prolific recommends following vendor cable brands: In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information. Prolific does not sell cables with Prolific brand and packaging. Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. Prolific also prohibits the distribution of any PL-2303 drivers (including download links) without written permission from Prolific. Prolific will take proper and severe actions to cease and confiscate these counterfeit products. Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations. We issue this warning to all our customers and consumers to avoid confusion and false purchase. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues ( Yellow Mark Error Code 10 in Device Manager). Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Log-in to our Support webpage to download more files:
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