[Q] Android 4.04 Car PC system not start, how to fix?

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Hello to all,
I bought the following unit...
T090A BMW E92 Auto Panel Android 4.04 Car PC DVD with Wince6.0 GPS 3G WiFi Bluetooth ipod support 1.2G Dual Core and 1G DDR2 Memory

Wince6 works properly now, and at the beginin android too, the problem is that now Android system dont start, seems to start to load but remain in the load screen with "android" word animated ...

What can I do? install android again? how?
Thanks a lot

[Q] Android 4.04 Car PC system not start, how to fix?

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i forgot: of course I dont know what bottons press to enter in recovery mode or similar.

can someone help me?
thanks in advance