Garmin Nuvi 1690 Owner's Manual page 68

Appendix
Problem/Question
How do I clear all of
my user data?
My battery gauge
does not seem
accurate.
The touchscreen is
not responding to my
touches.
How do I know my
nüvi is in USB mass
storage mode?
My computer never
senses that the nüvi
is connected.
6
Solution/Answer
Hold your finger on the lower‑right corner of the
nüvi screen while it is turning on. Keep your finger
pressed until the message appears. Touch
clear all user data.
Allow the unit to fully discharge, and fully charge it
(without interrupting the charge cycle).
Calibrate the touchscreen as described on
When your nüvi is in USB mass storage mode, a
picture of a nüvi connected to a computer is shown.
Also, you should see two new removable disk drives
listed in My Computer.
1. Unplug the USB cable from your computer.
2. Turn off the nüvi.
3. Plug the USB cable into a USB port on
your computer and into your nüvi. The nüvi
automatically turns on and goes into USB mass
storage mode.
Yes
to
page 51.
nüvi 1690 Owner's Manual