1 if the GPU temperature is high. Too much dust in the fan will cause the fan to rotate slowly. You can clean it with a small brush, then refuel the fan, or replace the fan of the same model.
2. If the internal environment temperature of the cabinet is too high, you can consider cooling the cabinet, for example, you don't need to pack the cover first.
3. See if there is dust on your graphics card radiator or if the graphics card model is too low.
4. Turn off all game special effects.
At such a high temperature, the silica gel between the heat sink and GPU is estimated to be dry. Remove the heat sink and coat it with a new layer of silicone.