@lakotaubp Thank you for tips, I finally got it to come back on. After trying a bunch of things, what ended up working was plugging it in to my computer at work, I left it plugged in for a few hours, hit the power button and it showed the battery icon, almost fell out of my chair, held the button and it fired right up. Not sure why, but it's on and working again so I'm happy.
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RE: Nexus 5 will not power on.