'Fixing' a Jepp/Garmin NavData card?

EdFred

Taxi to Parking
Joined
Feb 25, 2005
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Michigan
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The Ed
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9D9 / 6Y9 / 88TN
Went for a $100 lunch run on Sunday and when I turned on the 430, I got a

Navdata expiration 55-NOV-5535

message as opposed to the 01-JUN-2012 or whatever the date should have been. The card was working last week Monday and Tuesday. Called Jeppesen, and they said to try reprogramming it, and if it fails it's bad. Which, of course, it did.

Is there a way to "flash" it and try and resurrect it? I've got a new one on order, but is it pretty much toss it in the garbage at this point?
 
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