Playing games, especially large-scale games, requires high cpu, memory and graphics card, and also requires a certain network speed. The card mainly includes memory and network speed. The cpu determines the running speed of your computer, and the graphics card determines the game screen effect and refresh speed. Check whether there is something wrong with your hardware and network speed. Tencent Computer Manager-Toolbox: Hardware detection, network speed test, playing game cards may be caused by the following reasons: 1: Poisoning, Trojan horse in the computer will cause computer abnormality, 2: Insufficient hardware requirements or too high CPU temperature, and poor fan cooling effect will lead to slower operation. Don't open too many things backstage. Use Tencent Computer Manager to clean up the computer cache garbage, and use the system disk slimming function to clean up the computer garbage formed by daily operations such as user system, registry and online games, so as to improve the running speed of the computer.