Download Microsoft Acpi Compliant Control Method Battery Driver Windows 7 ((hot)) Guide

: Click the Action menu at the top of the window and select Scan for hardware changes . Alternatively, simply restart your laptop .

: Windows will automatically detect the "new" hardware and reinstall the driver. Check your taskbar to see if the battery icon has returned. 2. Manual Recovery of the Driver File : Click the Action menu at the top

: Look for the Batteries section and click the arrow to expand it. : Click the Action menu at the top

Here is a comprehensive guide on how to reinstall or repair this driver to fix your battery issues. 1. Reinstall via Device Manager (Recommended) : Click the Action menu at the top

: Right-click Microsoft ACPI-Compliant Control Method Battery and select Uninstall .

: Navigate to %WinDir%\system32\DRIVERS and ensure CmBatt.sys exists.