Hello,I am Pete, and I'll be happy to assist with your question today.
If your unit has a protected firmware then you will need to contact your dealer to get the maps installed.
You can find your nearest dealer at:
--------------------Your satisfaction is my priority;Kindly take a moment to rate my service 5 stars at the top of your question page so I am rewarded for my time; tips appreciated :)You can always reply back at any time if you need any further assistance at all.Pete.--------------------
I have worked on Garmin products for over 17 years.
However, unless you have specialist equipment and software available to reinstall the firmware yourself, then unfortunately there isn't anything else you can do about this.
I'm sorry to be the bearer of bad news on this occasion; please do not shoot the messenger! I am a user of this site, just like you.
Let me know if you need anything else at all.