The new Maintenance features like System recovery functionality can help you repair system files in Windows if a serious error occurs (no more Windows XP headache).
Type “system” in the Start Menu Search and click to open the application
Select a CD/DVD drive and insert a blank disc into the drive.
A system repair disc can be used to boot your computer. It also contains system recovery tools that can help you recover Windows from a serious error or restore your computer from a system image.
That’s it! hope this helps!
To learn more Hidden Windows 7 System Utilities
Download WinBubbles, There are lots of built-in tools that you can used for maintenance purposes.