- Press the ESC key continuously to enter the BIOS setup page when booting. As shown below:
- Use the arrow key "→" on the keyboard to select the Advanced menu bar interface, and then use the arrow key "↓" on the keyboard to select the Hardware Monitor menu item. As shown below:

- After selecting the Hardware Monitor menu item, press "Enter" to enter the Smart Fan menu interface, as shown below:

- Select the Smart Fan [Disabled] menu item and press Enter, use the arrow key "↓" on the keyboard to select [Disabled/Enabled] and then press "Enter" as shown below:

Description: ** Disabled: Smart Fan Disabled
Enabled: Smart Fan Enabled
- After selecting the PWM Control FanSpeed menu item, the user can use the arrow key "↓" on the keyboard to switch the fan speed value. After changing, press F10 to enter and save and exit.

Note: OFF means turning off the fan, 20%--100% means the fan speed. You can change the fan speed according to your needs. After changing, press F10 to save and exit.
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