What are the reasons for the black screen of the Roewe i5 large-screen navigation?

[StNevaeh]

Here are the specific reasons for the black screen of the Roewe i5 large-screen navigation: 1. Poor line contact: It is necessary to promptly check whether there is a loose connection in the lines. Just reconnect the loose part properly. 2. Aging of the power signal line: You can try replacing the power signal line. 3. Excessive screen usage time: This may cause a failure in the power supply module. It is recommended to check or replace the power supply module at a 4S store. 4. Defects in circuit design: It is necessary to go to a repair shop for inspection and repair or directly replace it. If it is under warranty, go for warranty service; if not, go to a 4S store for inspection and repair.