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I am having a problem with the g3. Every time I turn it on it says cant authenicate maps, hit preview or play and no courses come up. Have tried to reinstall maps, reset the unit yet still no go. Any help??? thnx


I bought one used a while back. It goes squirrely now and then. I pull the batteries, change the batteries, or let it sit (turned on) for a while.

Sounds like it's not communicating or it lost it maps in memory or wherever it holds that data. Call Garmin and get someone in tech support. They're helpful. What happens when you put it in "Preview" mode?


Note: This thread is 4480 days old. We appreciate that you found this thread instead of starting a new one, but if you plan to post here please make sure it's still relevant. If not, please start a new topic. Thank you!

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