Drivers on CDs included with generic cables are outdated.
Download the latest PL2303 Windows Driver (Installer version 3.8.31.0 or newer) from the official Prolific support site or trusted surveying hardware providers 2.
For the USB download cable on Windows 10 , you can use the USB Cable Drivers v1.70 (GEV189/GEV195/GEV218) package, which supports current Windows operating systems. Where to Download
The Leica GEV189 cable converts the instrument's serial data into a USB signal. Inside the cable housing sits a Silicon Labs CP210x USB-to-UART Bridge chip. usb download cable gev189 driver windows 10 new
If you cannot access myWorld, download the official Prolific PL2303 Windows 10 USB CDC driver directly from the Prolific technology website. Ensure you select the driver version explicitly supporting Windows 10 64-bit architectures. Step 2: Install the Driver on Windows 10
After rebooting, plug the GEV189 into a USB port. Troubleshooting: "Device Not Recognized" & Driver Errors
Upon reboot, a list of options will appear. Press or F7 to select Disable driver signature enforcement . Drivers on CDs included with generic cables are outdated
Once your Device Manager shows a clean connection without errors, note the assigned (e.g., COM4). You must mirror these exact settings inside your office software:
Right-click and select Update Driver . Choose Browse my computer for drivers .
: The most common stable version for modern Windows environments is v1.70 . Where to Download The Leica GEV189 cable converts
Connect and Assign: Once installed, plug the GEV189 into a USB port. Open "Device Manager" and look under "Ports (COM & LPT)." You should see "Leica USB Data Cable" assigned to a specific COM port (e.g., COM3). Troubleshooting Common Connection Issues
Before troubleshooting, it helps to understand what is inside the cable. The Leica GEV189 is not just a passive wire; it is an active optical data transfer cable. Inside the USB housing sits a serial-to-USB converter chip.
Modern Windows operating systems require digitally signed drivers. The older drivers included on mini-CDs shipped with cheap third-party cables are often based on outdated Prolific or FTDI chipsets, which are blocked by Windows 10/11 for security reasons.
Windows 10 has a built-in driver for USB devices, which might work for your Gev189 cable. To try this method: