Can't Boot Computer Media Test Failure

Yesterday while watching an online baseball stream and simultaneously browsing facebook, my computer randomly gave me an error message. Unfortunately I don't remember what the message was about. What I do remember is that I immediately opened a new firefox tab and searched up the error. I clicked on the first link, and the OP was talking about how he had received the error and shortly after, his computer shut down. Almost on cue, my computer crashed and restarted itself. Ever since then, I can't boot up my computer properly. I turn on the computer, I see the first two screens that I always see (BIOS screen and then the 'Detecting eSATA drives' screen). After this it goes to the third screen, which I also always see. But this is where the problem is.First it loads all that code crap that I never understand. Then, like always it gives me these two lines: 'Verifying DMI Pool Data.