1.Insert your Windows 7 DVD and boot up to it by pressing any key when prompted.

2.Press Next when the Windows 7 process reaches the language screen.

3.Click on Repair your computer.

4.The Repair option will then look for your Windows operating system.

5.Choose the Windows 7 operating system that is not booting up. Most likely, there will just be one listed.

6.Then, choose Startup Repair from the list.

7.Afterwards, the Startup Repair will look for issues and provide a solution.

8.Follow the solution provided by accepting the default prompts to fix.

9.The Windows 7 Startup Repair utility will look to fix the issue and restart if necessary.

10.Perform System Restore if the above didn’t work, and if you have already backed up your