Safe maximum temperature range is 70°C to 85°C under full load. Idle temperature should be between 45°C to 55°C. Temperatures above 90°C indicate overheating
Normal idle temperature is below 40°C. Critical idle temperature is 65°C. Peak performance temperature should not exceed 90°C
CPU fan error appears during Windows startup with "Press F1 to run setup" message. Error occurs before Windows 10 boots and may not be due to overheating
HP laptop users report loud fan noise and System Fan (90b) error. Error occurs when system fan spins faster after computer startup. Error indicates heating system issues
Thermal paste contains silicone, zinc oxide, silver or ceramic for better heat transfer. Clean surfaces with 70-90% isopropyl alcohol. Avoid touching components with bare fingers. Ensure surfaces are perfectly flat for maximum contact
Clean PC interior to prevent overheating. Ensure proper airflow around case. Apply correct amount of thermal paste between CPU and heatsink. Run malware scan to rule out viruses