I just purchased my tf700t 2 days ago. After using it for a few hours some lines began forming across the bottom of the screen. The next day I took it back to office depot and exchanged it for another one. Which ended up doing the same thing. This time I noticed it after applying the latest firmware update. It is now android version 4.1.1. Has anyone else experienced this and is there a fix. I have heard so many good things about this tablet, that I find it hard to believe that I just happened to get 2 defective ones in a row.