Uninstall the utility. Go to the Device Manager, locate the unknown ACPI device under "System Devices," update its driver manually, and then reinstall the software. Issue 2: Battery Icon Missing from Taskbar

Max power, faster fan, shorter battery life.

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If your laptop is plugged into the wall most of the time, enable the or Optimized Battery Health mode. This stops the battery from charging past 60%. Keeping a lithium-ion battery at 100% while plugged in generates heat and degrades the battery rapidly. Optimize for Battery Runtime

immediately after installation finishes to allow the kernel-level battery drivers to load correctly. Troubleshooting Common Issues The Battery is Not Charging Past 60%

Fixing "Lenovo Energy Management Not Working" (Windows 10/11)

Check the box at the bottom for . Click Apply , then OK , and run the installer. Troubleshooting Common Issues The Software Opens But Battery Isn't Charging Past 60%

Right-click on the downloaded installer file and choose . Navigate to the Compatibility tab.

High-speed fan cycles to blow out internal dust buildup.