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Author Topic: How to uninstall driver in Windows XP command line safe mode?  (Read 7386 times)

superboyac

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Hi guys, I have an emergency.  I was using a corporate laptop, and the fingerprint sensor wasn't working.  i was browsing online, and one of the suggestions was to use another maker's driver.  i did, now the laptop gives me an error at the logon screen.  Same with normal safe mode.  But I can get into the Safe Mode with Command Line.  How can I uninstall the problem driver using the command line?  Thanks...

lanux128

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #1 on: May 13, 2010, 11:04:47 AM »
maybe it's possible with DevCon but imho it's better to use the restore CD.

http://support.microsoft.com/kb/311272

superboyac

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #2 on: May 13, 2010, 11:13:01 AM »
Apparently, this fixes my problem 9and it did!):
http://www.dougknox....esc/fix_xp_logon.htm

I'm always amazed by all the stuff available on the internet for fixing problems like this.  I need to learn to stop fiddling around with my company's computers.  One day, I'm going to get myself in deep doo doo.

lanux128

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #3 on: May 13, 2010, 11:32:20 AM »
so, it wasn't a drivers problem then? good for you.. :)

daddydave

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #4 on: May 13, 2010, 11:33:29 AM »
Apparently, this fixes my problem 9and it did!):
http://www.dougknox....esc/fix_xp_logon.htm

I'm always amazed by all the stuff available on the internet for fixing problems like this.  I need to learn to stop fiddling around with my company's computers.  One day, I'm going to get myself in deep doo doo.

And I'm amazed that worked. Fixes the GINA value? There must be no such thing, I would have heard of it, lol. Doug has a nice site there, I'll check it out.

Found some information about it. If you follow the URLs to Microsoft KB's on the issue, it says that some programs by Symantec and Cisco do something very virus-like (to me) and overwrite Windows files:

http://bfarber.com/I...in-Screen-t6923.html
If bad things happen to other people, it's karma. If bad things happen to me, it's kismat!
« Last Edit: May 13, 2010, 11:42:47 AM by daddydave »

superboyac

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #5 on: May 13, 2010, 11:41:44 AM »
Well, I thought it was the driver that was the problem.  Apparently, it wasn't, but something during the driver installation screwed up the Gina thing.  I have no idea what I'm saying, I'm just explaining what happened. 

lanux128

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #6 on: May 13, 2010, 12:15:13 PM »
yes, that is very possible. i guess the link that daddydave provided could shed some clue on why it happened.

40hz

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #7 on: May 13, 2010, 04:05:22 PM »
Apparently, this fixes my problem 9and it did!):
http://www.dougknox....esc/fix_xp_logon.htm

Ooooo....lucky man!

I'm guessing the driver that got installed for the fingerprint reader (IBM or Lenovo laptop by chance?) didn't include a necessary hook for the OEM modification (or replacement) of the standard MsGina.dll. Possibly even keyed to the specific type of reader hardware to help prevent you from doing exactly what you did.

But who really cares why? You got it working again - and all on your own. Good Man! :Thmbsup:

Quote
One day, I'm going to get myself in deep doo doo.

Probably. 

 ...unless you have a friend in IT that can re-ghost a machine AND keep his or her mouth shut about it afterwards.

No worries there, right? You seem like the sort of guy who makes friends pretty easily. ;D


daddydave

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #8 on: May 13, 2010, 04:20:01 PM »
unless[/i] you have a friend in IT that can re-ghost a machine

Maybe that's what he was trying to avoid. :)
If bad things happen to other people, it's karma. If bad things happen to me, it's kismat!

Stoic Joker

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Re: How to uninstall driver in Windows XP command line safe mode?
« Reply #9 on: May 13, 2010, 04:33:14 PM »
For the curious, GINA is Graphical Identification & Network Authorization.

By default there are 2 in Windows; the home user Welcome Screen, and the Corporate Style CAD Logon dialog.