After Hard Drive Erase...Macbook Pro Won't Boot

Hi,
So I was trying to do a fresh install of OS X on my 15" Mid 2012 Macbook Pro (Modified with a 512GB SSD and 16GB RAM).
I turned the computer off and booted it into recovery mode. Then I went to Disk Utility and erased the Macintosh HD partision.
After this, I restarted my computer in the theory that I would start it in recovery mode again to install OS X.
However, no matter what I press the computer won't get past a black screen. I turn the computer on, here the Chime, but then all I get is a black screen.
I have tried holding down 'Option', 'Cmd+R', 'Option+Cmd+R' but nothing is working.
I have a TimeMachine back up at home which I am going to try and plug in and see if that makes a difference but I can't even get to a window where I would select which drive to boot from.
As I'm sure you can imagine I am a bit worried that my laptop has died so would appreciate some help.
Thanks!
JAmie

Jamie,
have you tried resetting your MacBook Pro’s System Management Controller, in case something in the SMC is behind the black screen?

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