[Q] Cheap Import already rooted? topic

I bought a cheap Chinese android tablet recently. According to the "About" it's a model # S102. My problem is that it's reported as being rooted although I've done no such thing and therefore NowTV won't work on it. Is there any way of fooling the NowTV app into thinking that it's not a rooted device, or alternatively is it OK to reinstall Android using an original copy so that it doesn't show up as rooted?