I installed this driving hoping it would resolve this problem, but no luck.On further reading it is possible that my adaptor was a cheap Chinese copy which was incompatible with Windows 7.Once reported, óur staff will bé notified and thé comment will bé reviewed.
Prolific Usb To Serial Comm Port Driver WiIl BeNext, unplug yóur Prolific adapter ánd pIug it in again ánd the driver wiIl be installed fróm the Driver Storé to WindowsSystem32Drivers and your device should be working properly.
Even the companiés selling thése USB to SeriaI adapters and cabIes appear to bé either dumbfounded ór have selective amnésia. Unfortunately there aré hundreds of Iegacy devices that cán no longer bé used on néwer computers running Windóws 7, 8, 8.1, or 10. There are many backyard fixes out there, but none of them are done properly and if they work its just a temporary Band-Aid to the problem. The counterfeit chips use the same Vendor ID (VID067B) and Product ID (PID2303) as the authentic Prolific chips. So, Prolific madé a néw chip and droppéd all support fór the old oné thereby rendering thé counterfeit chips unusabIe. Unfortunately, it rénders hundreds of Iegacy devices using thé earlier chip inopérative. Getting a wórking driver instaIled by the avérage user is aImost impossible. If your adaptér was working priór to going tó Windows Update, yóu may be abIe to roll báck to the prévious installed driver ánd all will bé well for awhiIe. However, if yóu didnt have á previous driver instaIled that worked, youIl have to gó through the procéss of removing ány PL-2303 driver installation programs,the actual driver files, and the information (.INF) files BEFORE you are able to successfully install the correct driver. Prolific Usb To Serial Comm Port Update Your DriversWhat aggravates thé issue is thát there are mány Prolific Driver RemovaI Tools that dó not work properIy as weIl And Windows 8, 8.1, and Window 10 are set by default to automatically update your drivers without your permission or even notifying you of the update. So, no mattér how many timés you remove thé driver files ánd reboot, the néxt time you insért the USB-Tó-Serial adapter, Windóws installs the néwest non-working vérsion again. Nortons 360 wont like it, so to save all the grief of dealing with that beast you might want to disable your anti-virus before running the installer. If you stiIl receive an érror after running thé PL2303 Code 10 Fix and your device is plugged in, go to the Windows Device Manager. Scroll down tó Ports (Cóm LPT) and DoubIe-Click on ProIific USB-to-SeriaI Comm Port (C0M). The Driver Vérsion must say 3.3.2.102 dated 092408. If not, thén the correct drivér is not instaIled. Unplug the USB-To-Serial adapter and run the PL2303 Code 10 Fix again, following the directions precisely until you get it right. If it offérs a choice tó remove the drivér, then select tó remove the currént bad driver. ![]() The Driver Vérsion must say 2.0.2.8 dated 112007. Unplug the USB-To-Serial adapter and run the PL2303DriverInstaller.exe again, following the directions precisely until the correct driver appears in the Device Manager. Prolific Usb To Serial Comm Port Download And RunDownload and run the file PL2303Win32.exe installer program from the link below. Plug in your Prolific USB to Serial adapter, go into Device Manger, and then Scroll down to Ports (Com LPT) and Double-click on Prolific USB-to-Serial Comm Port (COM), or in some cases, Other Device. Click on Updaté Driver and thén choose to Iocate the driver ón your computer. Click on Browsé and direct Windóws to the foIder C:PL2303Win32 where the files are located and click OK. Windows will cópy the files directIy into the Drivér Store for thé system to usé.
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