Windows Vista Enterprise (Microsoft Windows NT. Please Note: There are particular operating systems known to have problems with Prolific Usb To Serial Comm Port Com4. 0) 64bit, Windows 10 Enterprise 32bit, Windows 10 Mobile 32bit, Windows RT 64bit, Windows 10 Mobile Enterprise 32bit, Windows 7 Ultimate 64bit, Windows 10 Home 64bit, Windows 10 32bit, Windows 10 Education 32bit, Windows XP Home Edition, for home desktops and laptops 64bit. Prolific Usb To Serial Comm Port Com4 now has a special edition for these Windows versions: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit, Windows 10 32 bit, Windows 8,Windows 7 Home Basic 32bit, Windows Vista Enterprise (Microsoft Windows NT. Download Prolific Usb-to-serial Comm Port Driver Windows 8 Free Download.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)".
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