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After windows loads, instead of it showing the login screen it simply shows a black screen with a cursor.

I know why this error occurred. I was working on a clients computer and they had a password on it. So I attempted to use Spotmaou password removal tool. After that this is when it started happening. So i figure its something with the registry.

A re-install is out of the question because it is not a OEM key and they no longer have the key. Boot up repair does not work because its not a boot issue. Its a windows issue. And i've found out you cannot do a Windows Repair install on a computer you can't boot.. Which is stupid.

Also Safe mode does the same thing.

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I hope you backed-up the SAM record for the windows installation; if you didn't, you can recreate it, but you'll lose all user account settings –  AndreaCi Oct 17 '12 at 15:02
    
nope.. Sure didn't. I've never had any trouble out of this disk. –  alexander7567 Oct 17 '12 at 15:03
    
check in C:\Windows\System32\config\; maybe that disk create a backup of the SAM file –  AndreaCi Oct 17 '12 at 15:06
    
There was a backup of it from around a year ago. I renamed the orginal sam file to sam.old and renamed "sam.bak" to "sam". But still the same results. –  alexander7567 Oct 17 '12 at 15:14
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1 Answer

After doing some research i've found how to get the CD-Key from an offline computer. After doing this I was able to re-install the computer. Here are the steps how

Steps:

  1. Load computer with UBCD4Win
  2. Click Start
  3. Click Programs
  4. Click Info. and Diag. Tools
  5. Click KeyfinderPE
  6. Click Browser
  7. Navigate to Hard Drive Windows Directory (example: C:\Windows)
  8. Wait for program to load Hive
  9. CD should now be displayed
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