If you're experiencing communication issues with your USB data logger, base station, and shuttle, here are a few things to consider: If using Windows - Be sure that your OS is supported and up to date (Admin) Try "High Power" mode If using a Mac - Be sure that you've installed the Kext file provided with the HOBOware download For either Windows or Mac - Check that HOBOware is up to date Check the USB cable for connectivity with other known working devices Check optic windows for clarity, and clean and buff out as needed Check the coupler for tightness Check the coupler for installed magnets Categories Tech Note Troubleshooting & Maintenance