Screen powers on but screen is blank no voice
My garmin 680 kept shut duwn after few second turned on
My Garmin 680 does pretty much the same thing. Sometimes it will stay on for 10 mins. before shutting down, sometimes 10 seconds. It doesn't seem to be a battery issue because the battery says it's fully charged, though I am not an expert.
What I don't understand is that when it shuts itself off, if I press on the power button to turn it back on, it makes the beep sound as if it's still on
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