dimanche 1 mai 2016

pumpkin rq-0253-can't boot-black screen

hi everybody.

I got this system a few days ago.
When I try to update the car icon, the device need restart but stay on a black screen immediately after the logo indicated. (says wellcome nav system or Something like that)

Need to disconnect the battery and wait a few minutes and only then the system goes on.

Today the system remained on a black screen no matter what I do.
I tried to enter recovery but I do not know the keys order.

I tried everything listed here but it does not work.
This model may get to recovery in a different way?

Is anyone know a system updates for this unit?

thanks very much

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