You can find the necessary driver files from several surveying equipment support sites: Sunbelt Sales : Offers the GEV189/GEV195/GEV218 USB Cable Drivers v1.70 as a 3 MB ZIP file. : Provides download links for Leica GEV189/GEV195/GEV218 USB Cable Drivers compatible with various Windows versions. SCCS Survey : Lists the v1.70 drivers under their instrument software knowledge base. Sunbelt Sales Windows 10 Installation Steps
GEV189 (734700) USB download cable Go to product viewer dialog for this item. Usb Download Cable Gev189 Driver Windows 10
If the cable is a generic clone using the FTDI chipset, it may work with generic drivers. You can find the necessary driver files from
Navigate to the folder where you extracted the driver files and click Repeat if Necessary: Some cables require a "double install"—first for the USB Serial Converter and then for the USB Serial Port www.mygraphtec.jp 3. Verification & Setup Sunbelt Sales Windows 10 Installation Steps GEV189 (734700)
A: Differences in Windows 10 build version (e.g., 1809 vs 22H2) or USB controller chipsets (Intel vs ASMedia). Use the working PC as your dedicated programming machine.