The steps are below, Tell me if it worked for you.



Insert the windows 7 or windows vista installation disc Drive
And then start the computer
Press any key to boot from CD or DVD
Press ENTER
Windows is loading files the blue monitor appear
Select language, time and currency and other sitting
Then click next
Don't select install otherwise the local disk will be formatted
Select repair your computer
System recovery options searching for installation disk
Check use recovery tools and select the operating system
You want to repair Windows 7
Sometimes you have more than one operating system in your computer
Then click next
System recovery options pop up
Press repair and restart
Select startup repair
Startup repair pop up and is checking your system for problems
After finishing asking you to restart your computer to complete the repairs
Then click finish
Don't press any key otherwise it will boot from CD
The starting windows appear




PM if you need any help