My Mac book pro doesn't start!!!

hallo!  i have a problem, my Mac book pro 13' that I bought in June 2010 doesn't start. it appears a grey screen with some information like a terminal and then the message to push the button until it switch off and then retry. it's like so from yesterday and I tried to start it with cmd+v cmd+s but without solution. I'm not at home and so I haven't the install disk and I don't remember version of operative system. Please help meeee!!!
thank you Laura

Does the message look similar to what is explanied in this article?
Kernel Panic - Apple Support
I would also suggest to try starting your computer in Safe Mode which is done by holding the shift key right after you hear the MacBook's start up chime. If the computer is able to start up successfully in Safe Mode then the culprit could be something related to software.
Hope this helps.

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