Now close the installer program when it is installed.Ĭheck the Prolific USB to Serial driver on Windows.The PL2303 Driver Installer program will now install the Prolific drivers.The Prolific driver will ask you to install the PL-2303 USB-to-Serial driver will be installed on your computer.Double-click the PL-2303 Windows Driver Installer program.Install the Prolific USB to Serial driver on Windows Advanced Settings on the Prolific USB to Serial driver.Error 10 on the Prolific USB to Serial driver.Check the Prolific USB to Serial driver on Windows.Install the Prolific USB to Serial driver on Windows.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. 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. 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. There is a working driver at, a bit down the page listed as 'DCHU (for PC Vendors)'.

Prolific usb to serial comm port com3