keyboard freezes on login

keyboard freezes on login
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laflizardAsked:
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laflizardConnect With a Mentor Author Commented:
I can't even get to the login screen anymore, so I am sending it out to get the data recovered.
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TripyreCommented:
What hardware? What OS? USB or PS2 keyboard? Did you try a different USB port? Need more info
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laflizardAuthor Commented:
I am a trial member who joined because I wanted to see the solution to a problem that seemed to be exactly like mine.  When I logged in again, I did not know how to find the solution, so I first tried asking the question you are responding to (which I appreciate).  I did find the solution (http://www.experts-exchange.com/Hardware/Q_21612055.html), but after trying the solution that seemed would work best for me (install WindowsXP Pro on the same partition in a different location, I have run into a wall.  The installation is aborted with a message from Windows that states the process was aborted to prevent possible damage.

I am now trying to take advantage of the recovery console.  The problem is that I am not an advance enough user to know what I am doing.  I have no idea what to try.

My computer is a Dell Inspiron 9400 laptop (4 years old)
Windows XP Professional SP3
The problem is almost exactly like the one described here:  http://www.experts-exchange.com/Hardware/Q_21612055.html
My keyboard works for diagnostics, but as soon as Windows loads to the login screen, the keyboard freezes with one attempt to use the keyboard.  The touchpad also stops responding.  I have a USB mouse that continues to work.  I attached a USB keyboard to see if that would work, but no luck.

Any advise would be helpful, including, take it to someone who knows what they  are doing, and who would that be if this is your advice.
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edbedbCommented:
You said a USB keboard didn't work. Did it lock up the mosepad also or did it just not work?
If you start in safe mode and select the administrator, can you get in wthout a password?
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laflizardAuthor Commented:
The USB mouse always works.  I cannot get in to safe mode without a password.
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edbedbCommented:
Can you boot the Windows XP install CD to the recovery console or even better a UBCD disk?
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laflizardAuthor Commented:
I can boot to the recovery console, but I don't know what to do once I get there.
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edbedbCommented:
In the recovery console at a command prompt enter
ren c:\windows\system32\config\system  system.bak
 
Then enter
copy c:\windows\repair\system c:\windows\system32\config\system
Restart the computer and post back the results.

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laflizardAuthor Commented:
Being impatient, I tried a solution that sounded good, did not work, and has rendered the administrator password for recovery console inaccurate.  The fix I tried was to rebuild the registry using recovery console.  I found the fix in EE, but I don't think it addressed my exact problem.  In any case, it did not work.  Now I can't even get to the login screen, the blue error screen appears.  I thought I might be able to reverse the process, but my password no longer works, so I can no longer get into recovery console.  I think I have really screwed things up now.  In any case, I cannot try your solution as I can no longer get to the command promt.
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edbedbCommented:
What is the url for the solution you attempted? I want to see what might have happened. It looks like you will have to create the UBCD now to get any further. You can get what you need to build it here.
http://www.ubcd4win.com/downloads.htm 
 It's getting late here, I will check back in the morning.
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laflizardAuthor Commented:
Here's the url.  
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/XP/Q_21777626.html?sfQueryTermInfo=1+consol+freez+keyboard+login+problem+recoveri+repair+us
comment by mediamax at 03/17/06 04:39 AM, ID: 16215035
Thanks for all you input.

My most recent trials:
In the beginning of my problems, I tried repairing the the OS via the recovery disk.  The reinstallation completed fine, but did not fix the problem.  I am now trying this again.  My 2nd attempt, got stuck looking for an asma file (or something like this).  I then retried reinstalling to repair and completed the install.  I now receive an error:  User Interface Failure:  The logon user interface dll NWGINA DLL failed to load.  So I never get to the logon screen.  

I will look into the UBCD.  Have a nice night.  Hope to hear from you in the morning.
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edbedbCommented:
Is this the only thing you did? "ren c:\windows\system32\config\system c:\windows\system32\config\system.old"
If so, it would not be a problem. In fact that is 1 of the instructions I posted 1 minute after you asked what to do next.
However, attempting the repair install was a really bad idea. That process deleted all of the restore points.
Have you tried starting in safe mode since then? What happens?
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laflizardAuthor Commented:
I actually entered all the commands listed.  When I went to start windows it went to the blue screen where windows says it can not continue or damage to computer will result.  

Now, I have been trying to repair the installation again.  I was getting stuck when Windows was asking for a file on the XP Pro SP2 disk, but have gotten past that by telling it to go to c:\i386.  Windows proceeded to ask for many more files and I entered the same location.  The repair installation continued.  I am now at a point where windows wants to know were the migregdb.exe file is, but it is allowing me to actually browse my hard drive to find it.  This seems to be a good thing as I can actually see all my data.  Now is there anyway to copy the data?  There is only one drive listed.  I got to a similar point previously and was hoping that once I completed the repair I would actually be able to login.  This did not happen.  This is when I got the  User Interface Failure:  The logon user interface dll NWGINA DLL failed to load.  So I am reluctant to go any futher.  It may not be progress, but it is comforting to be able to actually see my files.

I have to go out, so I will check back later for any input.  

I have not been able to try safe mode as I am reluctant to leave the spot I am in.
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edbedbCommented:
I don't think safe mode will work either. If you want to recover your data you could slave the hard drive to another computer or create the UBCD and do it with that.
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