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Question about HP OmniBook500 250MB Zip Drive Module (F200960902) Drive

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Unlocking bios password

Dear sir my omnibook 500 bios passswor is i will forget how is open

Posted by n viji on

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There are a number of solutions already on Fixya I think.. so also have a look thru the old postings .... Ya have to get a BIOS password remover one that works for YOUR BIOS, be it an AMI Award, Phoenix, ... make a win98 boot disk.. copy PW remover to disk... boot up on Floppy... run PW remover.. reboot ya all good.. :) here are some links though...

Posted on Aug 21, 2007

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what password? BIOS? that should be blank if not set by you.

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how can i reset CMOS/BIOS password for HP compaq tc4400 laptop i have hp 500 notebook and i forget cmos/bios password . i remove cmos battery . but dont solve it . how can i solve it

Remove password

first sold with windows 2000, is that what this runs?
yes there are hidden screws. (under cd lip,removed, in battery well) but in most cases the keyboard must come off first., but why?
what PASSword, BIOS PW or windows. login?
the manual covers this, (screws thing) and the manaul shows
resets if present, most times there are non in any laptop.
first is RTM not rip it apart and break fragile cables connectors.
ill now attempt to read the manual too you.
is this laptop 17 years as page one in the manual states , wow.
the coin cell is dead,
the word jump is not in the manual, there is 1 sleep pushbutton on this, paperclip used.
pdf page 41 covers password.

in some cases for sure old PCs, the RTC coin cell that is bad this old by the way , you remove it and the passwords are cleared.
on desk tops this old it had jumpers,but you don't have a DT.
your manual. is here, HP does not support them this old.

this steps, can work on the old PCs laptops made by HP
remove all big batteries first
main and the optional expansion bay battery lartge.
the AC line pack removed, unplug it.
then find the RTC coin cell. remove it. this tiny battery , and is bad now,
then let it set with no power for 1/2 hour, even push the sleep button with a paper clip on this side,
now a new coin cell put in,
and undo the above, and bingo, ?

if not only HP direct intervention can help
HP As a secret list of BIOS password resets to send you. ask.

they said HP forgot after 20 years, wow. and expected.

Bios Password is trapped

To recover your bios password you can read here in the HP Omnibook 500 service manual (page 107) where it states you'll need to contact HP and provide proof of ownership and they'll walk you through the process of resetting your password:

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