I have a laptop connected to a 32-inch monitor because the monitor's screen broke. The laptop is quite old, about 3 years old, and has an AMD Athlon Gold 3150U processor. I installed a Windows modification to reduce the number of processes, but when I try to play games with the graphics settings on low, the game only shows 18 to 35 FPS. However, at times the CPU and GPU usage spikes, and the performance even reaches 130 FPS, but it's not stable, and I don't know what the problem is.