Garmin 010-00990-20 User Manual

Page of 32
nüvi 30/40/50 Owner’s Manual 
25
Troubleshooting 
Problem
Solution
My device is not acquiring 
satellite signals
•  Select Settings > System > GPS Simulator > Off
•  Make sure your device is out of parking garages and away from tall buildings and trees. 
•  Remain stationary for several minutes.
The suction cup will not 
stay on my windshield.
•  Clean the suction cup and windshield with rubbing alcohol. 
•  Dry with a clean, dry cloth. 
•  Mount the suction cup (
).
The device does not 
charge in my vehicle.
•  Check the fuse in the vehicle power cable (
•  Verify the vehicle is turned on and is supplying power to the power outlet.
•  Your device can only charge between 32°F and 113°F (between 0°C and 45°C). If the 
device is placed in direct sunlight or in a hot environment, it cannot charge. 
My battery does not stay 
charged for very long.
To maximize the time between charges, turn down the backlight (
My battery gauge does not 
seem accurate.
Allow the unit to fully discharge, and fully charge it (without interrupting the charge cycle).
How do I know my device 
is in USB mass storage 
mode?
When your device is in USB mass storage mode, a picture of a device connected to a 
computer is shown on the device screen. Also, you should see one or two new removable disk 
drives listed in My Computer