Problem with Win 7 on a Macbook pro

Hi all,
I have bought a macbook pro about a week ago and than installed just two days ago Windows 7 using boot camp.
For the first few hours it worked properly, than, it started crushing suddenly, restarting. Than it started crushing, with the screen suddenly breaking i pixels... And I had to restart the computer using the button.

Than once it did that and didnt restart properly, so I used the restart device, which delete a few things from the pc but let me log i again. Now it did that again and gave me a driver_irql_not_less_or_equal BSOD so I shutted it down with the button. This time, though, when I tried to use the restart device it crushed at half process, so I tried to log in in safe mode. I worked so I tried to get updates and all as I read to do on a forum. After installing updates it restarted.

Now, while restarting, the screen got black (with backlight) but stayed like this for about 1/2 hours so I used the button again to switch it off.

When I try to turn it on now it stays black and makes a series of *beep* sounds like: *beep* *beep* *beep* PAUSE *beep**beep**beep* and so on.... What can I do? Please, This computer is just new and I spent about 200 euros between mac and Installing windows 7....

Thanks in advance

oh right I also tried to turn it on as a Mac OSX somewhere in the middle of this, but still didnt reach the desktop before crushing...