Thread: Kenwood DNX 690HD - Garmin Navigator Issue White Screen (blank)

Hello everyone!
I have in my hands a Kenwood DNX 690HD with the latest firmware installed (1.10.0).
There is no SD card attached.
When you press the "NAV" button, a white screen appears with an appended "Warning" inscription (I do not know if the white screen is the first screen that allways shows the Garmin navigator when starting, but it appears without the graphic and the own font of garmin. As if it were missing graphics I guess.
The navigator does not appear with the Garmin main menu.

I tried to reinstall the latest firmware downloaded from the kenwood website but never enabled the "Update" button, even putting it on standby.
I tried to place the new maps inside an sd card with the Garmin / gmapsupp.img way, but nothing happened.

Do you have any idea about why it may be failing?
Thank you very much!

Spoiler: images

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