The latest version doesn't work anymore with old hardware, and you need to downgrade the driver. Sometimes, installing the latest version of drivers solve the problem, but in this case, this is the opposite. The version driver (ser2pl.sys or ser2pl64.sys) should be something like 3.6.78.350īut this one doesn't work anymore with old PL-2303 hardware. You can check it, using the configuration panel: watch the COM and LPT section, you should have the "Prolific USB-to-Serial Comm (COM X)". Indeed, when installing W10, the device driver for PL-2303 is the latest version. May be, a solution will be to use the old W7 drivers version into W10. I don't want to send my devices to trash because they are too old (less than a year !) to be supported by W10. Prolific's guys are fun when they said : " Prolific recommends to use ![]() It's a shame from Prolific to not support this devices, because they are still used (my LED badges are less than a year old,Īnd use EOL PL-2303 HX). This is clear: if your device is using an old chip version of PL2303, the drivers not works with W10 (and W8).Īs many people, you probably upgrade directly from W7 to W10, and sure, don't know that this problem was already present with W8. ![]() Windows 8/8.1/10 are NOT supported in PL-2303HXA and PL-2303X EOL (End Of Life) chip versions. Of course, you can try to manually update the driver at Prolific site:īut, look carefully on this page and you will read an important notice in RED : This work fine, but looking at the configuration panel, you will then notice that there is anĮrror code 10 and the driver is not working properly. You plug the device into USB, it is well recognized by W10 and it try to load the Prolific driver. All this devices use a PL2303 to provide a connection to an USB port, but inside, they are RS232-like interface build (and appear as a COM port in your operating system). Myself, I've the same problems with scrolling LED Badges, and USB to COM dongles. Product: FB1210 USB to 1-port RS-232 AdapterĮ-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.There is lot's of people reporting problems with W10 and Prolific devices (based on popular PL2303 adapter). 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: ![]() Prolific recommends to use PL-2303HXD (HX Rev D) or PL2303TA chip.Windows XP, 2000, 98 and Windows ME driver technical support is discontinued.Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version.Windows 8/8.1/10 are NOT supported in PL-2303HXA and PL-2303X EOL chip versions.Installer supports silent install (add "/s" parameter when running program) Includes Certification Report, User Manual, Driver Release Notes & CheckChipVersion Tool Installer Language Support: English (default), Chinese (Traditional and Simplified), Japaneseįor Prolific USB VID_067B&PID_2303 and PID_2304 Only Driver can auto-download via Windows Update (Windows 7, 8, 8.1, 10) Windows Vista, 7, 8, 8.1 Certified WHQL Driver ![]() Compatible with Windows 2000SP4 & Server2003 Installer version & Build date: 1.12.0 () ( For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions) Download File: PL2303_Prolific_DriverInstaller_v1.12.0.zip
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