resetting / cracking Windows XP password of unknown login id


I just received a few old obsolete Laptops / notebooks (mix of Fujitsu
lifebook & IBM Thinkpad R40 & R50)  which I thought of reusing.


What's the easiest & quickest ways II can reset the password to gain
access to it without reinstalling Win XP (don't want to waste too much
 time)?

Nobody knows what the administrator id has been renamed to, could
be admin, could be test123 or anything, so the solutions suggested
would have to assume I don't know what's the login ids present.

If I need to download a bootable CD, let me know how to go about
creating the bootable CD to reset or clear the password.

Need a freeware

sunhuxAsked:
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houssam_balloutCommented:
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sumeshbnrCommented:
try active password changer also
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johnb6767Commented:
@NarendraG

Posting of that CD is off limits in these forums.....
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awawadaCommented:
Tools:

- Offline NT Password & Registry Editor
- Cain & Abel
- LCP
- John The Ripper
- PCLoginNow - http://www.pcloginnow.com/
- ultimatebootcd

Top 5 Tools:
http://pcsupport.about.com/od/toolsofthetrade/tp/passrecovery.htm
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pratiganCommented:
not an easy task.
Remove the power plug, remove the battery then remove the BIOS battery and push the power button and hold for 10 seconds.  Then, some laptops vary so leave the system like that for 3 - 4 hrs to entirely drain the power from the board.
To get to the BIOS battery - some laptops have it under the RAM in the back and some under the keyboard.
Then reconnect all batteries and power adapter and boot system.  Password should be reset.
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pratiganCommented:
some DELL laptops require a jumper change on the motherboard but you didn't indicate DELLs.
If so I will send you a link that provides a video of the process.
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johnb6767Commented:
To be honest, dont even think we should be talking about half the tools in the ID#31371738
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