Need help troubleshooting your Montana 7x0?
You may find the answers you need here before you contact Garmin.

• Have you checked the FAQ?
• Are you having trouble with a Common Issue?
• Have you checked in the Montana 7x0 discussion forum?
• Does the 'GPSrChive > How To...' page have the information you are looking for?
• Have you referenced the User Manual?

Troubleshooting

• The screen does not respond. How do I reset the device?
  • Press and hold the Power button for >60 seconds and then release.
  • Allow the Montana 7x0 to cool if hot to the touch.

• How do I reset all settings back to factory defaults?
  • Setup > Reset > Reset All Settings.

• How do I Master Reset my Montana 7x0?
  • Power the Montana 7x0 off.
  • Remove battery pack for >30 seconds and reinstall.
  • Press and hold the Power button until the Status LED turns red.
  • Release the Power button.
  • The Montana 7x0 is now in 'Boot Block' mode, which last about 8 seconds.
  • Quickly press and release the Power button twice.
  • The Status LED will turn green, and the device will begin the boot process.
  • A "Restoring settings and activities to defaults." message will be displayed.
  • The Montana 7x0 is now clearing all data and restoring all settings to factory defaults.

• My Montana 7x0 is not acquiring satellite signals.
  • Power your Montana 7x0 On.
  • Place the GPSr outside, in clear view of the sky, away from any obstructions, for >15 minutes.
  • Open Satellite page > Menu > Satellite Setup > Satellite System > Demo Mode > {back} > Menu > Use With GPS On > AutoLocate Position.
  • Place the GPSr outside, in clear view of the sky, away from any obstructions, for >30 minutes.
  • If no improvement, perform a Master Reset and repeat.

• My Montana 7x0 will not charge.
  • Reduce backlight brightness.
  • Ensure the USB cable is inserted fully.
  • Try a different cable or USB port.
  • Remove and reinstall Lithium-ion battery pack.
  • Ensure temperature is between 32°F and 122°F (0°C - 50°C).

• My Montana 7x0 battery gauge is not accurate.
  • Leave the device powered on until the battery is completely discharged.
  • Power the Montana 7x0 off.
  • Charge the battery fully without interruption.

• The battery does not last very long.
  • See Maximizing Battery Life.

• How can I be sure my Montana 700, 700i or 750i is in USB Mass Storage Mode?
  • See Mass Storage Mode.

• How can I be sure my Montana 710, 710i or 760i is in MTP Mode?
  • See MTP Mode.

• My Montana 700, 700i or 750i is connected to a computer, but will not enter Mass Storage Mode.
  • See Forced Mass Storage Mode.

• I do not see any new removable drives in my list of drives.
  • Try a different cable or USB port
  • Windows may be having trouble assigning a drive letter.
  • On your PC, select 'My Computer > Manage > Disk Management' to assign drive letters.
  • Note: Montana 710, 710i and 760i use MTP mode exclusively and will not appear as removable drives.

• Why does my computer not recognize my Montana 700, 700i or 750i?
  • Make sure you have the latest Garmin drivers installed.
  • Enter Forced Mass Storage Mode.
  • When prompted by the Found New Hardware Wizard, select "No not at this time" followed by "Install USB drivers automatically".
  • Once the driver installation is complete, select "Finish".
  • The computer should now recognize the Montana 7x0 and installed microSD card as external storage drives.

• My Montana 7x0 is not reading data from the microSD card.
  • Confirm the microSD card meets supported specifications.
  • Verify the microSD card is installed securely and correctly.
  • Ensure microSD card is formatted FAT32 (not exFAT).
  • Try using a different microSD card.

• My PC frequently displays "USB Device not recognized" when I connect my GPSr.
  • Try this solution.
  
  

• While trying to load GCLive data, my Montana 7x0 perpetually displays a spinning wheel on the screen and no data is loaded.
  • Verify your Montana 7x0 has a functional internet connection via either Bluetooth or Wi-Fi.
  • Check Setup > Geocaching > Geocaching Live to verify the unit is registered with a valid groundspeak account.
  • Select Setup > Geocaching > Geocaching Live > Unregister to unregister the device.
  • Select Setup > Geocaching > Register Device and complete registration with desired groundspeak account.

• I'm having trouble pairing my Montana 7x0 to my smart phone via Garmin Connect or Explore.
  • How to pair the Montana 7x0 with an Android device.
  • How to pair the Montana 7x0 with an Apple device.
  • Try this solution.

• My Montana 7x0 keeps shutting down before finishing the boot sequence.
  • Try this solution.

Hidden Test Pages

• Device Information and Diagnostics:
  • Open Satellite page.
  • Press and hold the upper left corner of the screen >5 seconds.
  • A diagnostic test menu will appear.
  • Options will vary based on available hardware.
  • Short press power button to cycle backlight brightness.
  • Long press power button to power device off.
  • Select desired test menu option.

• Error Logs:
  • Open Trip Computer page.
  • Press and hold the lower right corner of the screen (over the Menu Bar) > 5 seconds
  • A diagnostic screen will appear displaying a list of recently logged exceptions
  • The lower section of the page will display current memory usage and stats
  • Select an exception from the list to view register dumps for that exception
  • Use the back arrow to return to the list of exceptions and to exit this diagnostic mode

GARMIN Support

• Garmin USA Support
• Garmin Montana 700 Support
• Garmin Montana 710 Support
• Garmin Montana 700i Support
• Garmin Montana 710i Support
• Garmin Montana 750i Support
• Garmin Montana 760i Support
• Garmin Repair Center

Contact GARMIN