(LENOVO 700) Intel i7-6gen DDR4-16GB Ram

I'm selling my laptop IdeaPad 700. Intel i7-6gen. RAM- DDR4-16GB, Graphic card 4gb NVIDIA GEFORCE GTX 950, Display IPS 15'' FHD, External DVD drive, Window 10 is in-built. Webcam 720p. Laptop still like new there is no scratch on laptop I covered with lamination guard on screen and backside and mouse area also keyboard very neat and clean. (One issue in laptop it's going automatically on standby mode this issue come after window update. If I restore window then no problem. This problem can be solve from window settings but I don't know how to do...