Instructions
Manually Configure "Family Settings"
Open "My Xbox" then choose "System Settings." Select "Family Settings" and then "Console Controls."
Choose the "Family Settings" to manually configure. Options include "Game Ratings," "Video Ratings," "Xbox LIVE Access," "Xbox LIVE Membership Creation," "Restricted Content," "Family Timer" and "Set Pass Code."
Save your changes and exit.
Remove "Family Settings"
Open "My Xbox" and then choose "System Settings."
Select "Family Settings" and then "Console Controls."
Choose "Turn Off Family Settings," then save and exit.