(1) Click the Start button, and then click Control Panel. (2) In the Control Panel window, under Pick a category, double-click the Performance and Maintenance icon. (3) In the Performance and Maintenance window, under or pick a Control Panel icon, double-click the Power Options icon. (4) In the Power Options Properties window, click the VAIO Power Management tab. (5) On the VAIO Power Management tab, in the Settings for VAIO box, next to CPU Fan Control, click to select the desired performance level. (6) Click the OK button. (7) Readmore: https://www.sony.com/electronics/support...solitaire spider/
