1. Check laptop ventilation and make sure the fan and vents are not clogged.
2. Check the cooling fan(s) and make sure they are not clogged or dirty.
3. If the laptop is old, consider replacing the fan(s).
4. Check the laptop's power settings and make sure you are not using high performance or gaming settings.
5. Monitor the CPU usage and make sure it does not exceed optimal level.
6. Lower the room temperature or reduce the use of other heat-generating items around the laptop.