Erase all content and setting is not working
my ipad is displaying the logo of the apple and the loading bar is also appearing but how long it will take, i kept it for more than 8 hours but loading bar is still empty and the ipad is discharged once than i keep it on charging then also apple logo is appearing and loading bar is still not filling.
iPad, iOS 8.1.2, ipad 4 (WiFi)