, try the Lenovo Power Management Driver (v1.67.xx) which often includes the UI.
: Offers presets like High Performance, Balanced, and Power Saver that adjust CPU performance and screen brightness. lenovo energy management 6.0 download
The safest way to download version 6.0 is via the Lenovo Support Website. You must search for your specific legacy model (e.g., IdeaPad Z570 or Y470) to find the correct driver package. , try the Lenovo Power Management Driver (v1
