Updating the Drivers from Device Manager.
Assuming you’ve successfully downloaded and unzipped the Profilic Windows 8/8.1 圆4bit drivers from our Administrative Tools section, go back to the Device Manager and right click on the Prolific USB-to-Serial Comm Port with the exclamation mark and select Update Driver Software: Figure 3. Driver Date:: Release Notes: Driver Version: 3.8.25.0: PC Matic Notes: Version History. Prolific USB-to-Serial Comm Port (COM3) - Driver Download. Click Sites and then add these website addresses one at a time to the list: You can only add one address at a time and you must click Add after each one. On the Security tab, click the Trusted Sites icon. In Internet Explorer, click Tools, and then click Internet Options. The reason is that Prolific USB/Serial chip 'clones' are often used in generic USB programming cables and the newer Windows drivers actual.
I am using a driver version 3.3.2.105 (you do not need to install in compatibility mode).
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.I can confirm that the older drivers do work. 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), Auto-download driver via Windows Update (Windows 7, 8.1, 10) Windows Vista, 7, 8.1 Certified WHQL Driver ( For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE, GD, GR versions) Auto-download driver via Windows Update (Windows 11) Windows 11 Certified WHQL Driver ( 21H2 versions) ( For PL2303 HXD, SA, RA GC, GS, GT, GL, GE, GD, GR versions) Windows Driver Installer Setup Program ( Win7 / Win8.1 / Win10 / Win11) Download File: PL2303_Prolific_DriverInstaller_v4.0.1.zip