If you get an error message (USB driver, .dll - file missing) when trying to start the Testor Lite 3G upgrade program,
please follow the steps below:
If the USB drivers has not been installed yet:
Follow the USB installation instructions in the Upgrade Guide:
If the USB drivers has been installed earlier and the Testor Lite is shown correctly in the device manager
(USB controller knot, shown as "LYNX Technik AG PTG1802"):
- Open your device manager
- Open the USB-Controller knot
- Right - click on "LYNX Technik AG PTG1802" and choose "de-install" and "delete drivers"
- Disconnect and reconnect the Testor USB cable to your PC or Laptop
- Follow the USB installation instructions in the Upgrade Guide: