Dell Laptop is not able to Start Window and Repair Itself

[cvang010]

After window installed some new updates my dell laptop was not able to start. It will boot and go in the screen for Window failed to start. "A recent hardware or software change might be the cause. Launch Startup Repair or Start Window Normally." I tired both options but eventually leads back to this page. Then i tried to enter all the safe mode with no luck. I then tried "Last Know Good Configuration" but with no hope leading back to the same screen. I'm out of ideas and don't know what to do! Please help!

 

[nhasian]

Here are detailed step by step instructions with pictures:

How Do I Use the Windows System Restore Utility?
How Do I Perform a Startup Repair or Repair Installation of Windows?
How Do I Perform a Clean Installation of Windows?

Also there is SFC How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7