Win8 Wireless settings are dimmed and cannot be adjusted

The Win8 wireless setting option is gray and cannot be adjusted. The wireless setting option in the Win8 of the IdeaPad series notebook is gray and cannot be adjusted. As a result, the wireless setting cannot be enabled. Solution: Take Y400 as an example: uninstall the one-click ghost xp sp3 Power Management (Energy Management) installed under Win8 in program functions) 8.0.2.4 and then go to the official website to download and install the Wireless Configuration Options of Energy Management 7.0.4.1 Win8 under Y400 Win7.