Sketchup

Starting school soon, and I need a laptop for Sketchup. I know a little bit about computers (I have built and upgraded a highish end gaming PC over the last year), but I'm sort of stuck on this one. Used is fine (sort of preferred since I'm only using this thing for a year), and I can do...

Hello. I have built a model house in Sketchup 8 and suddenly the model disappeared. The transparent guidelines have also disappeared and no matter how much times i zoom out or zoom in, i can't find the guidelines or any sign of a model. I tried measuring the distance across my screen with the...