THE WAYS A MONTANA CAN FAIL AND HOW TO FIX IT:
Master Reset Procedure:
- Many times a simple Master Reset will fix the problem. See below for the reset procedure.
- Some early Montanas had a screen calibration issue. Garmin stopped production for a short time as they sorted out the issue. There may still be older, defective units out there but Garmin replaces them when they fail.
- Antenna stops working. There have been reports (My wife's unit did this) of the gps not acquiring signal. If a reset does not cure this problem, you can connect an external antenna as a quick fix, and contact Garmin for a replacement.
- Battery Problems: Over time, the battery becomes a little loose in the compartment, and causes all kinds of strange problems such as spontaneous shutdowns, or the loss of map information. There are ways to fix this, the easiest being the addition of a foam earplug under the battery cover. This prevents the battery from moving, and stops the spontaneous shutdowns.
Information is from the Garmin Web Site
To perform the master reset:
Power the device off
Press and hold your finger on the upper left side of the display
Power the device on while still maintaining pressure on the display
Release on the display when the Do you really want to erase all user data? message appears
The Montana is now reset. You will want to leave the device outside with a clear view of the sky for a minimum of 20 minutes to acquire satellite data.
(Even though Garmin warns you that a Master Reset will lose various things, it doesn't seem to lose much at all so it is worth trying a reset if you think it's necessary)
Garmin does not repair your unit and return it to you - If your unit is defective and needs to be returned, Garmin will exchange it for a Refurbished unit which is good as new. Garmin will Cross Ship
if you ask for it. This means that if you have a charge card they can bill for $170, the cost of a Refurbished unit, they will send your replacement unit out before receiving your defective unit. But you must ask for this so it's best to phone.
You pay for shipping to Garmin; they pay for it to be returned.
Garmin Help Information
(You can email Garmin or use their web site but the best results come from a phone call.)
Monday–Thursday: 8 AM–6 PM, Friday 8 AM–5 PM Central Time (closed holidays)
U.S. toll-free: 1-800-800-1020
If you want to discuss the Montana, go to the humungous thread called Laying Down Tracks/New Garmin Montana
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