Enter BIOS/UEFI during startup
Find the fan control, hardware monitor, or thermal settings
Set the CPU fan mode to PWM or DC as appropriate
Adjust the fan curve or target temperature
Save changes and restart
Use motherboard software in Windows
Open the manufacturer fan control utility
Select the CPU fan header
Set automatic, silent, performance, or custom fan profiles
Apply and save the settings
Use third-party fan control software
Install a trusted fan control application
Detect the CPU fan header
Create a custom fan curve
Enable startup with Windows if needed
Use hardware fan controllers
Connect the CPU fan to a compatible controller
Adjust speed using the controller interface
Set manual or automatic control mode
Check fan and header compatibility
Use PWM fans with 4-pin headers
Use DC fans with 3-pin headers
Verify the fan is connected to the correct CPU_FAN header
Clean and maintain the cooling system
Remove dust from the fan and heatsink
Replace worn thermal paste if needed
Ensure proper airflow inside the case
Monitor temperatures after changes
Use monitoring software to check CPU temperature
Confirm the fan responds to temperature changes
Restore default settings if temperatures rise too high