hey does anyone have any idea why my f90 was fine for about a week and now it just constantly reboots over and over? this is my second 3.0 install the first one was bad also. tried updating the first install to 3.1 but i got an error about a us dem file. any ideas on how to fix this? i have searched and other people have asked but i haven't found any answers. let me know... thanks

Follow this procedure:

viewtopic.php?f=34&t=25817

This will reformat the flashdisk and give you a fresh install.

thanks but i have already does this 2 times. anything else i could try? like i said it was fine for a few days.

try this: go back to 2.0 or something firmware. And then upload the 3.0 firmware on it. MY avic was rebooting with the old firmware, but i reinstalled the old firmware than put the 3.0 on it right after, and that fixed my problem

i tried updating to 3.1 and now it just hangs on the system startup screen. are the files i downloaded f***** up or what?

i think the nav is the problem because when i leave the nav screen and then try to go back thats when it reboots......anyone else

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Ditto.