You can use the physical buttons or the Settings app This article explains how to restart an iPad and, if it's unresponsive, ...

In that case, your only option is to use a PC or Mac to put your iPad in recovery mode and then reset it. Keep in mind that this will delete everything on your iPad from data to settings ...

If you are wondering how it’s done, follow these steps to reset your iPhone and IPad natively. Here’s how to reset and erase your locked iPhone, iPad without a Mac or a PC. You should note ...