The GPS unit worked yesterday on my current trip. When turned on this morning to start a new leg on my journey, the screen displayed "System Software Missing". I've tried re-booting but keep getting the same message.
I've tried holding the power key and upper left side of screen to enter Pre-Boot mode with no success. The Garmin logo appears and shortly after I get "System Software Missing".
Model: Garmin RV 770
HWID: 2684 (Used Go to Win to find)
Software Ver: 7.70
I've downloaded the Updater.exe and RV_Camper770_770.gcd from Garmin but haven't made any attempt to use the files since I can't put the device in MTP mode.
Basecamp can see the device connected via USB cable, but Garmin Express can't find it.
Any suggestions are greatly appreciated.
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20th June 2023, 11:27 PM #1Junior Member
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GA7.70RMIN RV 770 System Software Missing
Last edited by Magnetron; 21st June 2023 at 02:10 AM. Reason: approved post
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