What happened to the big-screen Android smart navigation car market?

There may be several reasons why the big-screen Android smart navigation car market cannot be used:

1. System failure: If the large-screen Android intelligent navigation system can't start or run normally, it may be a system failure. You can try to restart the system to solve the problem. If the problem still exists, you may need to contact the manufacturer or professional technicians for troubleshooting and maintenance.

2. Software problem: The navigation software may need to be updated or reinstalled to ensure normal operation. You can try to update the software or reinstall the navigation application to solve the problem. Also ensure that the navigation software is compatible with the in-vehicle system. If the problem persists, you may need to contact the manufacturer or software developer for support.

3. Connection problem: The large-screen Android smart navigation car market may not be able to connect the vehicle power supply or the vehicle audio system. You can check that all connections are correct and make sure that all power cables and audio cables are connected correctly.

4. Hardware problem: If the above methods can't solve the problem, it may be a hardware failure. This may require contacting the vehicle manufacturer or navigation system manufacturer for repair or replacement.

It should be noted that the above are just some common possible reasons, and the specific situation may be different. If the above solutions fail to solve the problem, it is recommended to find professional technicians or after-sales service support to further troubleshoot and solve the problem.