", and then browse or paste the path to the "Prolific_Win8_圆4_x86" directory Select "Let me pick from a list of device drivers on my computer" (other driver versions visible here) ĥ. Select "Browse my computer for driver software" Ĥ. Open Device Manager and right click on the failed Prolific USB-to-Serial Comm Port device ģ. Install older driver to fix error/failure:ġ. The final definitive guide for fixing the failure of the (PL2303) Prolific USB-to-Serial Comm Port driver in Windows 10, step by step:įirst, install the latest driver for the PL2303 USB-to-Serial adapter from Prolific's website thenĭownload older driver that is compatible with Windows 10:ġ. PROLIFIC USB-TO-SERIAL COMM PORT WINDOWS 10 If you need further assistance with Windows, let us know and will be glad to help. Let the driver install and then check the functionality. Right-click on the setup file of the driver and select Properties.Ĭheck Run this program in Compatibility mode. If the available USB driver is not for Windows 10, try installing the driver in compatibly mode and check. If the issue still persist, I suggest you to go to the USB manufacturer website and install the driver for Windows 10. Follow the below steps.Ĭlick on Universal Serial Bus to expand and right click on the port device and click on I recommend you to update the HooToo USB port driver and check if this helps.
Let’s try simple steps and check if this help. Welcome to Microsoft Community and thank you for posting your query.īased on your description, the issue seems like HooToo USB port driver is outdated. Yellow ! next to Prolific USB-to-Serial Com Port (COM3)
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