I'm sorry to hear you are having issues connecting to Wi-Fi with your iPad Mini.
The article below may be able to help you with this issue.
Click on the link below to see more details and screenshots.
I've quoted some helpful highlights for you:
- Be sure that you are in range of your Wi-Fi router (access point).
- Tap Settings > Wi-Fi and turn Wi-Fi off and then on again.
- If unable to do so, see this article.
- Confirm that your Wi-Fi router and Cable or DSL modem are connected to power, turned on, and indicate that they are connected to the Internet.
- If not, refer to your network administrator or ISP for assistance.
- Restart your iOS device.
- Tap Settings > Wi-Fi and locate the Wi-Fi network to which you are connected. Then tap the blue dot with the arrow and Forget this Network. Try to connect to your desired Wi-Fi network again.
- Note: You will need to enter your Wi-Fi password again if your desired network requires one.
- Turn your Wi-Fi router off and then on again2. If your ISP also provides cable or phone service, check with them before attempting this step to avoid interruption of service.
- Update your device to the latest version of software.
- Update your Wi-Fi router to the latest firmware2.
- For AirPort Base Stations, see this article for information about firmware updates.
If your issue is still unresolved
Follow the steps below for the issue you are experiencing.
- Find information on connecting to a Wi-Fi network.
- Some third-party routers may not be compatible with all iOS devices, even after updating to the latest firmware. If your iOS devices can successfully connect to other Wi-Fi networks, contact your router's manufacturer to ensure that your router is compatible with your iOS device.
- See recommended settings for configuring your Wi-Fi router for use with iOS devices.
I hope this information helps ....
Have a great day!