1. Install anti-virus software and monitor the overall anti-virus.
2. There are too many startup items, and general programs except antivirus software and input method can be prohibited from starting.
3. Check the software with high cpu utilization rate in the process. You can replace this software with other similar software with low cpu utilization.
4. There are too many beta drivers installed on the computer, especially graphics drivers. It is best to choose a driver certified by Microsoft or officially released.