22
Forerunner 210 Owner’s Manual
Appendix
Troubleshooting
Problem
Solution
The keys do not
respond. How do I
reset the device?
1. Press and hold
light
until the screen goes blank.
2. Press and hold
light
until the screen turns on.
My device does not
locate satellite signals.
1. Take your device out of parking garages and away from tall
buildings and trees.
2. Remain stationary for several minutes.
How do I know my
device is in USB mass
storage mode?
You should see a new removable disk drive in My Computer on
Windows computers and a mounted volume on Mac computers.
I cannot see any new
removable drives in
my list of drives.
If you have several network drives mapped on your computer,
Windows may have trouble assigning drive letters to your
Garmin drives. See the Help file for your operating system to
learn how to assign drive letters.
Some of my data
is missing from the
history.
When the device memory is full, your oldest data is overwritten.
Transfer data to your computer regularly to avoid losing data.