|Hard to say. |
I'd guess the screen is bad but it could be the video adapter is failed also. Never easy to test or fix these.
Many of the secondary warranty deals cover this sort of stuff if you bought it. I never do since Best buy never honored my last purchase but you ought to check what you paid for.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.