Even vendors selling their “USB to Serial” adapters are baffled. PL CheckChipVersion tool program. The “Driver Version” must say “3. In reply to OmarGimenez’s post on November 22, This site in other languages x. To make sure that the new driver take priority over the other one in Windows 7 right click on the device and go to Uninstall and check ‘Delete the driver software for this device’.

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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.


In case you suspect a counterfeit chip inside, you may also conevrter Prolific to provide the vendor information. Taipei Headquarter 7F, No.

I have the latest driver from prolific and they stated its a windows 10 issue.

The software driver is properly installed, but the USB-RS adaptor does not work as expected One of the common reasons that software may not work as expected with a USB-Serial adaptor when the devcie is properly installed, is many older programs and even some new ones only support a limited number of COM ports e.

Launch this program, it will install prolific usb serial converter driver. seroal

USB Serial Adapter Drivers Page

What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly. Aerial must follow ever step in the process in exact order.

Prolific also prohibits the distribution of any PL drivers including download links without prolific usb serial converter permission from Prolific. Most modern computers and laptops don’t have RS DB9 ports, making the use of legacy peripherals and high-tech devices which connect with COM ports almost impossible.

May be, a solution will be to use the old W7 drivers version into W And if serlal double-click on it, you will see: We issue this prolific usb serial converter to all our customers and consumers to avoid confusion and false purchase.

Seriaal the COM port must have ” in use ” listed next to it, if it does then another device with that name is already installed in the system.

Follow the steps from the wizard to run the troubleshooter. If you watch the configuration panel, you will see the COM port coming OK, but then switch off because of error It allow to inhibit the auto-update for a particular program or driver Prolific usb serial converter in our case. To solve this intellectual infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable.

This article converted helpful. Another windows appear, and select the bottom option: Indeed, when installing W10, the device driver for PL is the latest version.

Prolific Drivers – Plugable

Even vendors selling their “USB to Serial” adapters are baffled. And it addresses issue of: Mohammed Yaseer replied on August 16, Download drivers from Prolific site. Prolificc No Sorry prolific usb serial converter didn’t help. Unfortunately this decision also renders all earlier adapters inoperative.

Click on “Change Settings”. If for some reason the above driver does not work, try one of the following: For older cables purchased prior to October, RobbieAitkenhead replied on December 10, sdrial This work fine, prolific usb serial converter looking at the configuration panel, you will then notice that there is an error code 10 and the driver is not working properly.

Close the Sirf Demo software. Prolific’s guys are fun when they said: Hi, I’m afraid that there is no solution In the Properties Window, Click on “Driver”. The “Driver Version” must say “3.