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Originally Posted by mksa2006
I have bmw x5 2002 4.4 The problem specifically at the screen and froze the operation of the television screen starts rose to the top very quickly, without anything to see science I clearly heard the sound
and i can change channels
To illustrate the problem, please see this section
Please help me because I will lose mental
Thank you
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The problem is either the video module or the screen
The video module is what i would suspect first - because it is located in the spare tyre well on an X5, it can easily get damaged by water, especially if you use your car to tow and launch boats in the sea / lakes etc.
The video module is struggling to switch the video from nav to TV, - in fact it has sent the command to change the screen frequency to the screen, but has not managed to switch the video. that's why you see a rolling picture.
Try disconnecting and reconnecting the video module.
Try a replacement video module eg from a friend as a trial before you buy a new (or 2nd hand) video module.
If that doesn't fix it then the screen is faulty, replace the screen.