How to Raise CPU Fan Speeds on a Lenovo Laptop - Laptop Nov 06, 20124. If the control is on "automatic," change it to "manual." Type in the percentage at which you would like the CPU fan to operate (100 would be 100%). 5. Click "F10" on the upper-right corner of the keyboard and restart your laptop. After the laptop restarts, the Lenovo CPU fan will be noticeably louder. QuickSpecs Overview - HP This is the HP Inc. QuickSpecs site. Click here for the Hewlett Packard Enterprise QuickSpecs experience. HP Marketing Document Library QuickSpecs Online. The HP Marketing Document Library for QuickSpecs, accessible from your desktop or mobile device, is a convenient central resource providing technical overviews and specifications for HP hardware