Here are some of the settings of Mobililty Center. Go to the Control Panel, and click on the icon of Windows Mobility Center. If you are unable to open WMC, then it may be disabled. In Windows 8, you can choose Mobility Center from the menu by right clicking on the Start Button.
In Windows 7 you can start it using the Windows + X keyboard shortcut. Windows 8 Mobility Center is available on Windows RT, Windows 8 Pro, and Windows 8 Enterprise editions. Laptops with Windows 7 Home Premium, Professional, Enterprise, and Ultimate editions |