Does it boot while holding Command + S ?? I see you have already begun a reinstall but if there's still no change see if it will boot into single-user mode. If still nothing happens try booting from an external device like a flash drive or external hard drive. Does it boot from there? Keep us posted!!!
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Does it boot while holding Command + S ?? I see you have already begun a reinstall but if there's still no change see if it will boot into single-user mode. If still nothing happens try booting from an external device like a flash drive or external hard drive. Does it boot from there? Keep us posted!!!
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=== Update (11/23/2015) ===
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I have found a solution in case this is still an issue for you or anyone else. If you unplug the internal drive but plug in a bootable (I used a thunderbolt drive) It will begin to boot from that drive just fine but still not the internal. However it won't boot from the bootable when the internal drive is actually plugged in. Why is this? Well the solid state is actually read by the machine at first so it attempts to boot from it, when it sees that the drive is defective or bad it errors out and stays at the white screen.
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In my scenario I grabbed a known-good SSD and plugged it in and it booted right up again. Apple logo and then into the OS. I'm not sure how to explain how it was recognized in another machine but isn't working in the laptop we need it to work in but from what I can tell this is caused by a faulty SSD. I hope this is helpful to anyone else having these issues!
Does it boot while holding Command + S ?? I see you have already begun a reinstall but if there's still no change see if it will boot into single-user mode. If still nothing happens try booting from an external device like a flash drive or external hard drive. Does it boot from there? Keep us posted!!!