Step By Step Help How To Master Reset Garmin Devices

Overview Of The Master Reset

If you’re having trouble with your Garmin Alpha or Astro a Master Reset may fix the issue. It is important to remember that all settings – including user data like waypoints, routes, tracks, and dog collars in your dog list – will be erased when you reset your device to the factory settings. . If you need help backing up your data follow the steps here:

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Common Reasons For Master Reset

  • GPS issues: Trouble acquiring satellites, slow GPS lock.
  • Device freezing or unresponsive buttons.
  • Frequent crashing or glitches during use.
  • Failed software updates or the unit not booting properly.
  • Incorrect data display or erratic behavior in tracking dogs.
  • Starting fresh after device transfer or major setup changes.
  • Maps loading very slow

FAQ

Resetting the Garmin Alpha 200, 200i, 200+, 300, and 300i

Step 1: Turn off your Alpha Handheld

Step 2:Press & HoldScroll Left and Enter simultaneously

Step 3:Power on your Alpha 200/200i while continuing to hold previous buttons

Step 4:Wait for“This will remove all saved user data…”to appear on the screen

Step 5:Release your fingers from the other buttons

Step 6:Select Erase

Step 7:Allow your Alpha to get satellite data by stepping outside for a few minutes

Resetting the Garmin Alpha 100

Step 1:Turn off your Alpha 100

Step 2: Press & Hold your finger on the upper left side of the display

Step 3: Power on your Alpha 100

Step 4: Wait for “Do you really want to erase all user data?” to appear on the screen

Step 5: Release your finger from the upper left side of the display

Step 6: Select Erase

Step 7: Allow your Alpha to get satellite data by stepping outside for a few minutes

Resetting the Garmin Astro 430

Step 1: Turn off your Astro 430

Step 2: Press and Hold the Map and Enter buttons

Step 3: Power on your Astro 430

Step 4: Wait for “Do you really want to erase all user data?” to appear on the screen

Step 5: Release the Map and Enter buttons

Step 6: Select Yes

Step 7: Allow your Astro 430 to get satellite data by stepping outside for a few minutes

Resetting The Garmin Alpha 10
  1. Press the menu button.
  2. Select Setup, then choose System.


Setup, then choose System.


Restore Defaults – Resets all settings but keeps your saved data.

Factory Reset – Erases all user data and resets everything to factory settings.

Resetting the Garmin TT25/ T20, TT15/TT15X, TT10, T5/T5X and DC50 Collars

If your TT25/ T20, TT15/TT15X, TT10, T5/T5X or DC50 collar isn’t working quite right, performing a master reset will set the collar back to factory settings and clear all the data. To do this follow the steps below:

Step 1: Make sure your collar is powered off, connect your charging clip to the collar and connect the USB cable to a power source – you can use a wall adapter or computer. Make sure your collar light is on.

Step 2: Quickly press the Power Button 4 times – each time you press the button you should hear a quiet tone from the collar

Step 3: Wait for the light to turn green and then red

Step 4: Disconnect the USB and Clip from the collar

Step 5: The collar has now been reset and can be re-added to your box. If it did not reset try the sequence again.

Please note: It is ok to master reset on a Mac/Apple computer, but it is not safe to update the software using a Mac/Apple. We recommend only doing these updates on a Windows based computer.

Resetting the Garmin TT15 Mini & T5 Mini Collars

If your TT15 Mini or T5 Mini collar isn’t working quite right, performing a master reset will set the collar back to factory settings and clear all the data. To do this follow the steps below:

Step 1: Make sure your collar is powered on and the light is flashing green

Step 2: Quickly press the Power Button 8 times

Step 3: Wait for the light to turn a solid red and then flash green again

Step 4: Re-Add you collar to your Alpha or Astro