Keep a backup copy of your working driver installation files on a dedicated USB drive. Windows Update frequently overrides legacy serial drivers during routine system updates, which can unexpectedly disrupt your fieldwork data workflows. Knowing how to quickly roll back or reinstall the driver ensures minimal downtime.
If the driver looks healthy in Device Manager but your software cannot download points:
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Before downloading a driver, you must know which hardware chipset your cable uses. Installing the wrong driver will result in a "Device Cannot Start (Code 10)" error in Windows Device Manager.
These allow Windows to recognize the cable as a Virtual COM Port. GEV267/268/269 v3.00: Compatible with Windows 7, 8, and 10. GEV189/195/218 v1.70: Standard for older setups. Leica Instrument Tools: LEICA TC 407 driver
Run the downloaded driver installer .exe file as an Administrator.
to see which COM port (e.g., COM3) has been assigned to the cable. Configure Settings : Match the Keep a backup copy of your working driver
If using cables like the GEV189, GEV195, or GEV218 , you must install the specific USB-to-Serial driver for that hardware.
Option A: You are using the Leica GEV189 or GEV267 USB Cable If the driver looks healthy in Device Manager