0 nüvi 600/650 Owner’s ManualaPPendixTroubleshootingProblem/Question Solution/AnswerMy nüvi never getssatellite signals.Take your nüvi outside, away from tall buildings and trees.Remain stationary for several minutes.How do I know my nüviis in USB Mass StorageMode?When your nüvi is in USB Mass Storage Mode, a picture of a nüviconnected to a computer is shown. Also, you should see two newremovable disk drives listed in My Computer.My computer neversenses that the nüvi isconnected.1. Unplug the USB cable from your computer.2. Turn the nüvi off.3. Plug the USB cable into your computer and your nüvi. Thenüvi automatically turns on and goes into USB Mass StorageMode.I cannot see any newremovable drives in mylist of drives.If you have several network drives mapped on your computer,Windows may have trouble assigning drive letters to your nüvidrives. See your operating system’s help file to learn how tomap/assign drive letters.The suction cup will notstay on my windshield.Clean the suction cup and windshield with rubbing alcohol. Drywith a clean, dry cloth. Mount the suction cup as described onpage 2.The touch screen is notresponding to my tapsproperly.1. Turn the unit off.2. Press and hold the Power button for about one minuteuntil the Calibration screen appears.3. Follow the on-screen instructions.I cannot get trafficinformation.Note: You must have aGTM traffic receiver toreceive traffic data.Verify that you are in a coverage area. You must be in a coveragearea to get the traffic information for that area.Verify that the FM TMC Traffic Receiver is connected to thepower connector on the cradle and also connected to a poweroutlet in your vehicle.