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  1. #61
    Navigation software expert Garmin Maps expiration Date
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    Cnfhbr's Avatar
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    Quote Originally Posted by aktroller View Post
    I noticed in message #11 that GUPDATE.gcd is the only file that should be on the card, no “updates” folder.
    This applies to legacy devices. The firmware update for your 7612 is in the 'updates' folder.


    Quote Originally Posted by aktroller View Post
    I’m getting the impression that files are supposed to be extracted from the executable which is probably way beyond my skill set.
    You can extract those files from the executable using a regular WinRAR, but this will be the same.


    Before starting the downgrade, make sure that there is no GarminDevice.xml in the Garmin directory of your Update SD Card. Starting with the unit powered off, insert the Card. Press and hold the power button ...

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  3. #62
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    I've followed your instructions to the letter, but the present software refuses to give up the ghost . Is it possible that when running the executable that it's checking my computer for Garmin information? I do have Homeport and Mapsource installed. Has anyone been able to rollback a 7600 series? I'll try making a new SD installation card from a computer with zero Garmin data. I appreciate your not giving up on this problem!
    [Only registered and activated users can see links. ]

  4. #63
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    Tried this morning with a SD card created on a computer with no Garmin info. Same result - no joy.

  5. #64
    Navigation software expert Garmin Maps expiration Date
    Garmin Maps expiration Date
    Cnfhbr's Avatar
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    Quote Originally Posted by aktroller View Post
    Tried this morning with a SD card created on a computer with no Garmin info. Same result - no joy.
    What about Slot 2 during this procedure?

    Note:
    • Insert your Update SD Card into Slot 1 of the switched off device
    • Remove any SD Card inserted in Slot 2 (if present)

 

 
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