My iPad mini won't turn on

Well it's my brother's iPad mini, but that's not the point. A week ago, he dropped the iPad and the screen cracked. A couple days later it won't turn on. It technically is because you can hear notifications and stuff, but it won't show up on the screen. I can't force shut it down because the home button is broken. My dad is planning to get the iPad fixed. Will replacing the screen resolve this problem?

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How do I make a backup of a game on my iPad and transfer it temporarily to PC?

I'm planning on resetting my iPad to factory settings, but I have one game in particular that doesn't automatically save to iCloud and I don't want to lose my progress in. How do I make a backup I can save on my PC until after I reset the iPad, and then transfer it back?
Added (1). And no, I don't have another iOS device to transfer the data to, hence why I want to use a PC to do it.

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Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me?

Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me?

Read more: Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me?

Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me? - 1

Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me? - 1

Read more: Fell asleep watching YouTube and I woke up and my IPad was on FaceTime with the camera on me. I never use face time, did someone hack me? - 1