Navigation does not boot, problem analysis

A、 if it is a new car, whether it has activated the original car driving computer system, than the public cars and other audio power by the computer control;

B、the original car battery voltage is too low, navigation boot voltage is higher than 10V;

C、for the agreement machine (such as the public series), to determine whether the agreement is wrong, to find the corresponding machine can be installed, the other original car agreement (such as Cruze, the new juniper, etc.) need to take the original car agreement line, Then the wrong will cause no boot;

D、the system error, press the reset button (panel marked "RES") to see if the solution;

E、detection panel button whether there is stuck, has been occupied, causing the MCU has been reset,

F、navigation insurance or the original car CD insurance circuit is not power;