Garmin nuvi 154LMT - Manual (Page 62)

56 nüvi 140/150 Series Owner’s Manual
The device is connected
to the computer, but it will
not go into mass storage
mode.
1
Disconnect the USB cable from your computer.
2
Turn off the device.
3
Plug the USB cable into a USB port on your computer and into your device.
The device automatically turns on and goes into USB mass storage mode.
4
Verify your device is connected to a USB port and not a USB hub.
I cannot see any new
removable drives in my list
of drives.
If you have several network drives mapped on your computer, Windows can have
trouble assigning drive letters to your device drives. Refer to your operating system
Help file to learn how to map or assign drive letters.