StreetPilot III Hard Reset

[davidr]

With the unit switched off
Press the cursor button in any direction at the same time press the power button
Let go of the power button, but continue holding the power button
Press together the route and quit button, while you hold these two, let go of the cursor button
The unit should now make a bleep sound. Now release the route and quit buttons
The screen goes blank for about 10 seconds, then restarts