iPad2

It means you need to connect the iPad to a computer running iTunes and restore it.

Follow the steps here: If you see the Restore screen on your iPhone, iPad, or iPod touch - Apple Support

It means it is disabled. You can restore it, but that will erase the device. Since the iPad is so old that it is unable to run the latest apps, I wonder if it is worth the effort. If you wish to continue, check this link...

If you forgot the passcode on your iPad, or your iPad is disabled - Apple Support