Here is how to control fan speed on PowerSpec 1510 or 1710 laptops:1. Open the built-in Control Center by pressing the FN+ESC keys on the keyboard.2. Select System Program.3. Next to Fan Speed there are four options:Maximum (full power)AutomaticOverclock orCustomTo set up a manual fan control, select the icon next to Custom to customize fan speeds at certain temperatures. Any changes are made automatically.