Norton 360 norton internet security

Nortons did its scan we ran a defrag. And under the recommendation section it said to repair drive. So I did. I have an HP laptop with windows 8 . Nortons disc doctor appears in top left corner while it runs it check then the screen goes to hp blue screen. None of the options work. Advance options nothing works except backup files on dvd-r. Can’t get out of this. Can’t get back to desk top .there wasn’t anything wrong with computer. Before this