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

**Vasconia** · 3rd July 2018, 07:29 PM

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

**IceMatrix** · 7th July 2018, 07:12 AM

I think that microsd inside unit that have garmin software is dead...

**Youngwombat** · 14th March 2020, 07:23 AM

IceMatrix
YOU are correct got this reply from a KENWOOD repairer in ENGLAND

There is an internal sd card which holds the base maps, this has been corrupted. You cannot get these cards only an authorised Kenwood repair agent is allowed. There is no other way that you can get your nav working but to have it repaired by an authorised agent. Sorry to give you bad news.

Regards

Bob
Fullers Electronic Services Ltd
Unit 29 Riverside View
Wickham Market
Suffolk IP13 0TA
I wonder if anyone here know if you can dig in there to fix it some how
Wondering if copy memory stick of my second purchase and and clone to stuffed unit no idea how just ideas in head worked with computer 30 years but the guts of a radio newbie
I just purchased another unit used for $120 pick up next week in perfect working order is a 2014 model the one above 2013 I figure KENWOOD would want a few $$$ more than my second buy

**Youngwombat** · 14th March 2020, 07:37 AM

Bought this model $120 Kenwood-DNX5350DAB-GPS so hoping to see if inside usb can be copied over to repair the corrupt files on other stereo usb that is corrupt

UPDATE
Pulled out original unit with white screen

Went inside pulled internal micro USB
Copied all files on card to directory on C: took a few tries base map and the xml file hung till down a scan of drive fixed problem

Re formatted the usb copy files back
Card back re assemble
Power up
WORKED
Now have 2020 Garmin AU map
Removed it and installed the DNX5350DAB
It is a working unit with latest map
Very happy

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