Okay, the other day, I was being foolish, when I decided I'd open up my computer and Clean it up. After I was done, I put it back together, plugged everything in, and tried to turn it on.. No light came on, no fans, no beep, no boot, absolutely nothing happened. So I opened it back up to see if I unhooked something accidently, couldn't find anything. I tried replugging in both sides of the power cord, it failed. I opened it again this morning, and i found a cord that isn't connected to anything..it's labeled p7. Maybe this is my problem, cause I dunno where the heck it goes. Can anyone help me please?