macos - Not seeing my HD in the disk utility - Ask Different

I tried to start up my computer and got a flashing file with a question mark. So I held down the ⌥-key on boot and brought it into recovery-mode. After going through the different options I went

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SOLVED: Macintosh HD isn't visible in Disk Utility after trying to update OS X - MacBook Pro 15 Retina Display Late 2013 - iFixit