HydroShift II LCD-S – USB Connection / Advanced Mode Issue

If you experience repeated USB disconnections or Advanced Mode not functioning correctly, please follow the steps below:

1. Open Device Manager and enable View → Show hidden devices.

2. Under Universal Serial Bus controllers and Universal Serial Bus devices, remove all grayed-out entries and any devices showing errors (e.g. “Unknown USB Device (Device Descriptor Request Failed)”).

3. Locate lianli-H2S-1.7 under Universal Serial Bus devices, right-click it, and select Uninstall device.

4. Click Scan for hardware changes to reinstall the device.

5. If the issue persists after completing the steps above, please contact us via the support form for further assistance.