Driver signing errors, failed installation on Windows 10, or incorrect COM port allocation.
Open the folder and run PL2303_Prolific_Driver.exe (or similar). Follow Prompts: Proceed through the installation wizard.
Confirm cable has Prolific PL-2303 HXD, HX, or newer (or FTDI). usb download cable gev189 driver windows 10 upd
Leica Geosystems provides drivers and software updates through their download portal. As noted in multiple documentation sources, the most current driver can be found on the . Navigate to Support & Downloads , search for "GEV189" or "USB cable driver," and select the version compatible with Windows 10.
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The cable serves a critical purpose: many surveying instruments require a serial (RS232) connection for data transfer, but modern computers no longer come with 9-pin COM ports. The GEV189 bridges this gap by creating a virtual COM port over USB, effectively turning a USB connection into a serial link that software like Leica FlexOffice can recognise and use.
Ensure your surveying software is looking at the same COM port number listed in Device Manager. Driver signing errors, failed installation on Windows 10,
Find the device under "Ports (COM & LPT)" or "Other Devices."
[Connect GEV189 Cable] ──> [Open Device Manager] ──> [Expand "Ports (COM & LPT)"] ──> [Verify COM Port Number] Confirm cable has Prolific PL-2303 HXD, HX, or
When transferring data, avoid setting the baud rate too high. Moderate speeds prevent transmission interruptions and data loss.
Open and locate the unrecognized device (usually under "Other devices"). Right-click the device and select Update driver . Choose Browse my computer for drivers .