As the tutorial is intended for advanced users, we are not presenting screenshot on every step.
You can schedule Windows 7 to start in safe mode from the System Configuration Utility. To do this, click Start > type “msconfig” (without quotes) in the search field and run it as Administrator. Go to Boot tab, and select “Safe boot” from boot options:
You can select to safe boot Minimal, Alternate Shell, Active Directory repair or from Network. Click Apply and OK and then restart Windows 7.