The z51 ( https://www.google.com/#q=lenovo+z51 ) is a laptop so tell the forum if you kept up with the monthly canned air cleaning since you bought it.
I have the lenovo z51 and have been using it for the past 3 weeks and love it, however today whilst playing a game the screen suddenly started acting strangely by having a transparent pink chequered come up on it. After restating this then happened to all the PC and on my start menu I can no longer read anything as it is all pixelated and so are the icons. It's very strange. I'm also getting error message display driver stopped responding and have tried all the suggested fixes I can find to no benefit. Please help!!!!