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Right-click the two devices again and select Enable.Right-click the Microsoft AC Adapter and Microsoft ACPI-Compliant Control Method Battery devices and select the Disable option.If the battery icon is still grayed out, proceed to the next section.Check the notification area on the Taskbar and see if the battery icon is visible and no longer grayed out.Verify the Microsoft AC Adapter and Microsoft ACPI-Compliant Control Method Battery devices are displayed.
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Expand the Batteries section in the Device Manager.Click the Action menu at the top of the Device Manager window and select Scan for hardware changes.If the battery icon in the system tray is missing completely and you need to enable it, see: Missing laptop battery icon in Windows.
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