ryzen overheating

Laptop model: ASUS ZenBook Q408UG Specs: CPU: Ryzen 5 5500U GPU: Nvidia GeForce MX450 hello everyone out there, i want to ask about my laptop which has ryzen 5500u and nvidia mx450. (1) l can't enable the nvidia mx450 and i can't find it in device manager. When I first bought it, it was...