From there just follow the prompts and you should be up and running in moments. What you need to do after installing the older drivers is go to the properties for the device in your device manager, go to Update Driver Software, Browse My Computer, then Let Pick from a List and select the older version of the driver and hit next. Here we demonstrate how to solve the 'This Device Cannot Start (Code 10) Issue' with Prolific USB to Serial cables. docking station are emulating a serial port via software driver. In my case I didn’t even know I had a knock off but I downloaded the older drivers and installed them and voila, I was up and running!Īnd just another quick tip, since if you’re here you’ve probably already installed the newer drivers and your system will default to those each time you try to plugin the device. Download the driver from Prolifics site (also attached, however the link will provide the latest version). With a bit more digging I found out that this was a common error for knock-off Prolific chips as in recent driver versions they have been blocking cloned or pirated chips. However I could not get it working on any of my personal computers or even my work computer.Īfter receiving the same error on each machine I started to think it wasn’t the device nor the computer but the drivers. 7) Right-click on the entry with the error to open a window and select. If the worst comes to the worst simply unplug the USB-RS232 adapter and. Hi Guys, I've read through this whole thread (and a few others) and everyone is saying to go get the driver from the prolific site, although I think that's now been taken down, as every link takes me back to the site index. There are times when, a bad Prolific USB -to-Serial Comm Port (COM3) can even lead to erratic personal computer shut downs, that could impair your projects, and. The Generic port can be used for other device communication, such as a PPP link. Double-click on Prolific USB-to-Serial Comm Port. I recently dug an old PL2303MDL programmer out of a tackle box of electronics and tried to get it working so I could flash some Sonoff devices with tasmota firmware. In Ports (COM & LPT) the Prolific USB-to-Serial Comm Port (COMx) will appear. It deals with a different application but the USB-RS232 is the same Prolific device. The USB serial driver currently supports a number of different USB to. This guide helps troubleshoot some of the common USB-RS232 driver installation errors in.
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