If you are experiencing problems getting Mass Effect 3 to work and your specific problem is a Black Screen before you even get to the Press Start option then you are not alone. I highly recomend you check out the Black Hole Group for support and help.
http://social.bioware.com/group/7127/&v=discussions#group
Thank you Resante.
http://social.bioware.com/group/7127/&v=discussions#group
Thank you Resante.