- #PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 INSTALL#
- #PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 ZIP FILE#
- #PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 SERIAL#
Driver can auto-download via Windows Update (Windows 7, 8, 8.
#PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 INSTALL#
Finally, the correct driver will install itself. In the Properties window, go to the Driver tab, and click on Roll Back Driver.
#PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 SERIAL#
I have ran the troubleshooter and reinstalled the driver several. Find Prolific USB to Serial Comm Port, right-click on it, and select Properties. When the device is attached to my Windows 7 PC the system informs me that the 'Device driver software was not successfully installed'. Part of the installation included a driver for a 'Prolific USB-to-Serial Comm Port (COM3)'. After installing the driver, you may verify that you have the CO-USB connected to this. Windows Vista, 7, 8, 8.1 Certified WHQL Driver I installed software for an E-on Energy Fit Device. 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. VID067B&PID2303 for 'Prolific USB-to-Serial Comm Port' (PL2303 series). Basic Specs: Supported device ID and product strings. 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. Most operating systems should install the driver automatically but if you have to manually install it the drivers are below. Additional drivers, provided directly by Prolific, can be found on this page. Please note, these may not be the latest drivers, but they are the ones we recommend.
Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step. Download the latest drivers for your Plugable PL2303-DB9 USB Serial Adapter. It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them.
#PROLIFIC USB TO SERIAL COMM PORT DRIVER 3.4.62.293 ZIP FILE#
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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