Laptop Dell INSPIRON N5030?

I've had my laptop Dell INSPIRON N5030 for about a year.It was working fine up till now but when I boot it up it gives me a windows recovery error.It says: windows failed to start. a recent hardware or software might be the cause.When I choose the launch start repair, it just gives me the windows screen with the mouse and nothing happens.Then if i choose load windows normally, it will just go to the loading screen then it'll stay there for a while then go back to the windows recovery error.I've also tryed to reboot the hard drive by pressing F12, but it won't let me it just puts me back on to the windows recovery error screen.