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1. Prolific usb to serial driver 3.4 install#
2. Prolific usb to serial driver 3.4 drivers#
3. Prolific usb to serial driver 3.4 update#
4. Prolific usb to serial driver 3.4 code#
5. Prolific usb to serial driver 3.4 Pc#

Driver can auto-download via Windows Update (Windows 7, 8, 8. 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) This is the Prolific website read on the driver I installed:ĭownload File: PL2303_Prolific_DriverInstaller_v1.12.0.zip July for the ones from the download page) and so Windows prefers it over them. The problem is probably that the non-working driver is the newest (September 2021 vs. I had only one other entry, a "ser2pl.inf" version " 3.8.40.0".ĭisconnect the device, and "pnputil /delete-driver oemXY.inf" with the INF file you located in the previous step.Ĭonnect the device again, and it should work, at least, it does for me.

Prolific usb to serial driver 3.4 drivers#

Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step. It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them.

Prolific usb to serial driver 3.4 install#

What I did is this:įirst install the downloaded driver by unpacking the zip file and "pnputil /add-driver *.inf /subdirs /install" (the /install is probably not necessary) from the extracted "Win11_DCHU" directory. Getting it installed is a bit tricky, it seems.

Prolific usb to serial driver 3.4 Pc#

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.There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)". 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.

Prolific usb to serial driver 3.4 code#

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-2303GC chip.ĭownload: PL2303 CheckChipVersion tool program.Windows Vista, XP, 2000, 98 and Windows ME driver technical support are discontinued.Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version.Windows 11 and higher are NOT supported in PL-2303HXA/ TA/TB/HXD/RA/SA/EA (EOL 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

Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues. ( For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE, GD, GR versions) Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific’s trademark logo, brand name, and device drivers, were being sold in the China market. 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)