Forgotten Admin Password

I forgot the administrative password to my compaq presario 2100, so I can only log on as a guest and have access to do nothing on my labtop right now, how can i retrieve it?
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Dave HoweSoftware and Hardware EngineerCommented:
had a 100% success rate with :)
Which administrator pass?
Bios ?
or Users accounts ?
bbaoIT ConsultantCommented:

sorry about that link. i didn't realise that as it was always quite high in google searches like the following.


i googled out another one for your reference. as it is a commercial software so it should be fine to have a reference here.

Windows Password Recovery Bootdisk

hope it helps,

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