I've heard from a few people at this point that they have had success using the included software for OS X called CaptyMPeg or something like that too. The quicktime component costs $20, but it's worth it. This tool will download and update the correct Garmin GPSMAP 60CSx driver versions automatically, protecting you against installing the wrong GPSMAP 60CSx drivers. Recommendation: If you are inexperienced with updating Garmin device drivers manually, we highly recommend downloading the Garmin GPSMAP 60CSx Driver Utility. Furthermore, installing the wrong Garmin drivers can make these problems even worse. Using outdated or corrupt Garmin GPSMAP 60CSx drivers can cause system errors, crashes, and cause your computer or hardware to fail. Maintaining updated Garmin GPSMAP 60CSx software prevents crashes and maximizes hardware and system performance. Garmin GPSMAP 60CSx drivers are tiny programs that enable your GPS hardware to communicate with your operating system software.