BMW X5 35i SUV. Customers reflect: black car car monitor frequently.
80 G hard drive also hosts Alpine car equipment, the host via a LVDS video cable to car HUD the video signal to the on-board monitor to display vehicle information and entertainment system information.
First, fault verification. After observed that the car's on-board monitor will black out once per 20s, went on to display the words "BMW", and then can return to normal. According maintenance experience that this is a host reboot phenomenon. Because the maintenance of the mainframe system failure should be excluded from external influences, then tested the host power supply, grounding, MOST fiber optic signals, were normal; Check the video cable, also found no damage and virtual access phenomenon. The vehicle can be programmed coded, still valid, to eliminate the influence of car Head Up Display the software program. Finally, in the troubleshooting process, accidentally found in the customer's "music collection" in the name of the song is very strange store customers, some special symbols, then sought the views of customers, the host hard drive deleted all the music files, and finally format the hard disk, the system is normal, the vehicle no longer appear frequently display a black screen phenomenon, the failure to completely ruled out.
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