Use BIOS/UEFI hardware monitor
Use operating system built-in tools
Use third-party temperature monitoring software
Check CPU package temperature
Check individual core temperatures
Monitor fan speeds
Set temperature alerts
Watch temperatures under load
Compare idle and stress temperatures
Verify heatsink and thermal paste condition
Ensure proper case airflow
Clean dust from fans and vents
Check laptop manufacturer utilities
Use hardware sensors in the motherboard software
Monitor temperatures over time
Shut down if temperatures become unsafe