HELP! Dropped my Nexus 7 and now it won't turn on?

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http://forums.androidcentral.com – I dropped my Nexus 7 and now it has a crack on the top right corner of the screen and now it won't turn on. The damage doesn't look TOO extensive, though, so I opened it up and checked the inside. There seems to be no internal damage, and I made sure the battery was plugged in nice and tight. But it still won't turn on! I tried to charge it, but the screen will only flicker on and off. Is there anything I can do? Surely it can't be completely broken, it was just one drop that only damaged part of the screen... (HowTos)