ipad not connecting to the internet

Can you give us a few more details please.

What are you doing? What have you tried?

First troubleshooting steps is to reboot your router....unplug it, count to ten, plug it back in and let it reboot.

Also reboot your ipad. Hold down the sleep and home keys for about 20 seconds. When you see the silver apple, let go and let it reboot and see if that helps.

beyond that, with a few more details maybe we can offer some more detailed suggestions

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Try to reboot your iPad or try to desactive and active your Wi-Fi.