Because your computer sometimes makes mistakes
How to Switch from Integrated GPU to Dedicated GPU on Windows 11
Laptops have a tough job. They need to give users good performance while being economical with their battery. That’s why gaming laptops or laptops with high-performance dedicated graphics cards also have a low-power integrated graphics chip to perform everyday tasks like watching YouTube or browsing Facebook.
While most software programs have no problem choosing the right GPU for the job, sometimes they get it wrong. That's why it's a good idea to learn how to switch between your dedicated GPU and integrated graphics.
A quick note on what these two terms mean. A dedicated GPU has its own separate processor package, RAM, heatsink, and circuit board. An integrated GPU is in the same microchip package as your CPU and also shares the same pool of RAM.