Thank you for your reply Saltgrass! I been told by ASUS support that windows update cause this kind of issue recently. I seem to maybe solve the problem. After i used system restore - issue seem to vanish but after few minutes the device manager couldn't find my GPU card again. Then i deleted...
Message from device manager: Windows encountered a problem installing the driver software for your device Windows found driver software for your device but encountered an error while attempting to install it. NVIDIA GeForce GT 750M Message from NVIDIA Installer: NVIDIA Installer failed...