iPad won't turn on (black Apple logo)

Okay, so I need help, anybody that's has any knowledge of what I can do for my iPad that I haven't done already.

So, yesterday, I started a long over due update. It powered down my iPad which was unusual because my iPad was fully charged and plugged in. I tried turning it on multiple times and it would on load to the black screen with the Apple logo. I tried a hard reset. Same thing. I've tried plugging it into a computer, update won't finish or install nor will it restore the iPad to factory settings in recovery mode. So, if anybody else has a solution that would be fantastic.