Driver can auto-download via Windows Update (Windows 7, 8, 8. Under the General tab, click Print Test Page. Be sure to select 'Printer Properties' and not 'Properties', or you will not see a Print Test Page button. Compatible with Windows Server2008, 2008R2, 2012, 2012R2 Printing A Windows Test Page Using Windows 10 Open 'Devices and Printers' right-click your printer click 'Printer Properties'. Windows Vista, 7, 8, 8.1 Certified WHQL Driver Compatible with Windows 2000SP4 & Server2003 VID067B&PID2303 for Prolific USB-to-Serial Comm Port. Both will be replaced by the new PL2303TA which is pin-to-pin compatible with PL-2303HXA and PL-2303XA PCB. Windows XP (32 & 64-bit) WDM WHQL Driver: v2.1.51.238 () Prolific Full-Speed USB to Serial bridge controller PL-2303HX(Chip Rev A) and PL-2303X (Chip Rev A) will be phased out (EOL) at the end of October, 2012. 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)".