If you are experiencing problems with the 3D view not showing on your iPad Mini, there could be several reasons behind this issue. Here are some possible causes and troubleshooting steps to help you resolve the problem.

1. Incompatible Hardware: The iPad Mini may not support certain 3D view features due to hardware limitations. Check the specifications of your device and ensure that it meets the requirements for the 3D view feature you are trying to use.

2. Software Update: Make sure that your iPad Mini is running the latest version of iOS. Software updates often contain bug fixes and compatibility improvements that could resolve issues with 3D view functionality.

3. App Compatibility: If the 3D view is not showing in a specific app, it is possible that the app does not support this feature on the iPad Mini. Check the app's documentation or support resources to see if there are any known compatibility issues.

4. Settings and Permissions: Ensure that the 3D view feature is enabled in the settings of the app or system preferences. Additionally, check the app permissions to ensure that it has access to the necessary hardware and software components.

5. Reboot the Device: Sometimes a simple reboot can resolve software glitches that may be causing the 3D view not to show. Try restarting your iPad Mini and see if the issue persists.

6. Contact Support: If you have tried the above troubleshooting steps and are still facing issues with the 3D view not showing, consider reaching out to Apple support or the app developer for further assistance.

By addressing these possible causes and following the troubleshooting steps, you may be able to resolve the issue with the 3D view not showing on your iPad Mini. If the problem persists, it is advisable to seek professional assistance to diagnose and fix any hardware or software issues that may be affecting the functionality of the 3D view feature.