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Why is the BMW center control screen not lighting up?

1 Answers

StDeclan

07/30/25 1:07am

The reasons why the BMW center control screen is not lighting up are as follows: Central Information Display (CID) malfunction: Possible causes include power supply issues, incompatibility with third-party software or outdated software versions leading to system failure and abnormal display, or screen damage. If it's not a simple issue, a vehicle diagnostic test is required. Connect to a diagnostic computer for electrical troubleshooting, and replace the in-car display if necessary. If there is power but the screen remains black, it could be due to damaged car navigation cables. Over time, many wiring circuits show signs of aging, severely reducing communication efficiency. Failure to keep up with the required pace may result in issues like a black screen. BMW Central Information Display (CID): It serves as the graphical display unit for interfaces such as navigation, radio, CD/DVD, air conditioning, and communication functions. The CID consists of a circuit board and a display module, with the control unit functionality integrated on the circuit board. The central operating element of the controller CD connects to the CD via k-CAN, with the entire process control of the operation interface managed by the main unit. The CID connects to the main unit through a DS data line, through which the main unit transmits all image information via this LVDS data line. The image information is processed in the CID control unit and displayed on the screen.

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