Hi,sorry for my English. I bought anew asus n750jk. It came with no os. I put a DVD with windos 8. Entered a bios mode. And boot order was 1. Sandisk ssd 2. Machita DVD 3. Cd/DVD. I put a cd/dvd in the first place,then went to f10 button,save. Laptop resets itself and after that,completely...