Ok, so I brought my Toshiba laptop over to a friends house last night. We did some gaming, and everything was fine and acting normal. This morning, I packed up and when I got home, started up my laptop. A black screen with a window popped up with boot menu and app menu on it. Under the Boot Menu, there is Windows Boot Manager, and SATA:: TSSTcorp CDDVDW SU-B08AB. Under App Menu, There is Setup. The only thing I can enter is Setup, and there is a lot of things I don't understand. I'm definitely an amateur at computers so please help me.