prolific usb to serial comm port version 3.2.0.0

Choose an older version from the list then click Next.From My computer select 'Let me pick from a list of drivers available'.Double click LPT and COM ports then locate the Prolific USB to Serial Driver and right-click it so you can select Update Driver.Right-click on your PC Start button and open Device Manager.To correct the error, you will have to download the driver again by following these steps. Once you upgrade your PC to the latest Windows version your Prolific USB to Serial Driver also updates to the latest driver software and if the driver is not compatible with your Hardware issues may arise. Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantee maximum functionality. Driver can auto-download via Windows Update (Windows 7, 8, 8.Download | Win Windows Version Download | Mac Mac Version Solution 1: Roll Prolific USB to Serial Driver Back to An Older Version 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 version 3.2.0.0