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Is it possible to repair Windows 7 without the disk?

This PC hasn't been scanned for a while. Last time the PC was on, it was scanned using Avast Free Antivirus. It detected some corrupt zip files, worms, etc in the Windows folder. I chose to delete them all. At 50% through the process, I decided to manually restart it by pressing the power button. As it came back on, Windows Repair ran.

Is the repair provided different from the repair the CD provides?

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I don't understand "repair windows disabling the windows to start". Is there maybe some text on the screen you could share? –  rakslice Aug 30 '11 at 6:47
    
When you start the PC try to hit F8 key continue and you will get the option of Last known good config and try it. –  avirk Aug 30 '11 at 7:08
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up vote 2 down vote accepted

It is possible to repair issue without the disk via Last Known Working Configuration. It also possible via System Restore in Safe Mode. See steps below.

Using Windows 7 System Restore via Safe Mde

  1. Boot up the system
  2. Push and Hold F8
  3. Select Safe Mode under Advanced Boot Options
  4. Log into an account
  5. Click the Start icon
  6. Type: System Restore
  7. Follow the System Restore wizard
    • Use Recommended options
    • If Recommended options doesn't work: try using an older restore point.

If you are missing your Windows Vista/7 installation DVD, create one using these instructions. Follow the steps below once you created the disk.

Using Windows 7 System Restore via Installation or Restore Disk

  1. Boot with Installation DVD in your computer
  2. Select boot from disk
  3. Select the Repair your computer
  4. Click Next
  5. Choose System Restore
  6. Click Next
  7. Select the Windows/Vista drive
  8. Click Finish
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but i dont have a disk –  user913233 Aug 30 '11 at 6:45
    
Have you tried Last Known Working Configuration? If you can't get to that screen, then you will need to get a blank DVD and create a Recovery or Installation Disk. –  SgtOJ Aug 30 '11 at 6:48
    
You can borrow Windows DVD from any friend of yours it doesn't matter. –  avirk Aug 30 '11 at 7:02
    
@SgtOJ how to create a recovery or installation Disk? –  user913233 Aug 30 '11 at 8:32
    
Ideally you create one before Windows is corrupt. However, there is a an alternative. You can find the instructions and ISO download at this link: bit.ly/qFbKS7 ... Good luck @user913233 –  SgtOJ Aug 30 '11 at 8:41
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