4 zūmo 400/450 Owner’s ManualaPPendixU�SB Interface TroubleshootingProblem/Question Solution/AnswerHow do I know myzūmo is in USB MassStorage Mode?When your zūmo is in USB Mass Storage Mode, a picture of azūmo connected to a computer is shown. Also, you should seea new removable disk drive listed in My Computer (Windows) ora new volume (drive) on your desktop (Mac).My computer neversenses that the zūmo isconnected.1. Unplug the USB cable from your computer.2. Turn the zūmo off.3. Plug the USB cable into your computer and your zūmo.The zūmo automatically turns on and goes into USB MassStorage Mode.I cannot find any drivesnamed “Garmin” in mylist of drives.If you have several network drives mapped on your computer,Windows may have trouble assigning drive letters to yourGarmin or SD drives. Follow the steps on the next page toassign (map) your drive letters.I get a message saying“Unsafe Removal ofDevice” when I unplugthe USB cable.Windows: Double-click the Unplug or Eject icon in yoursystem tray. Select USB Mass Storage Device and click Stop.Select the Garmin drive and click OK. You can unplug yourzūmo now.Mac: Drag the volume icon to the Trash. The Trash iconchanges to an Eject icon. You can unplug your zūmo now.