Remove Power On Password

I have a HP Compaq nx9010 which has a power on password set.

I origanally knew this password but wanted to remove the need to enter a password at bootup.
I typed in the original power on password and then went into security setting and then entered the old password and then left the new password and confirmation password blank which I though would remove the need to enter a password at bootup.

When I have restarted the laptop I was prompted to enter a password. If I leave it blank it says incorrect password and if I enter the old password it says incorrect password.

I have been in contact with HP and they say removing the bios battery will remove the password but it does not.

Is there anyway of removing this password without having to send it off to HP

Thanks in advance
HurelAsked:
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callrsCommented:
http://www.pwcrack.com/bios.shtml    BIOS Password Recovery
"Most laptop manufacturers have provided additional safeguards for their computers. We are not aware of any simple BIOS recovery program that works on laptops, nor are we aware of any simple backdoor passwords for these machines. BIOS passwords in most laptops are stored in a special chip on the motherboard and the only way to bypass this password is to replace this laptop security chip. Laptop BIOS passwords cannot be bypassed or reset by removing or shorting the CMOS battery. Further, doing this may cause other system errors and complicate the recovery or your system. "
CallandorCommented:
Is there another BIOS setting to disable the password use, as opposed to changing it?
ammowagonCommented:
Most computers have a jumper on the motherboard that will remove the bios password. You have to remove the case to get to it. It's usually located near your BIOS battery. I'm assuming you already remove the case before in order to remove the battery so you shouldn't have to worry about voiding your warranty or anything.
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ridCommented:
Sometimes, removing the BIOS/CMOS battery will reset CMOS immediately, sometimes several minutes is required. Depending on how you did, you could try again. If HP says a CMOS reset also resets the pw, it should be worth a try...
/RID
Gary CaseRetiredCommented:
"... they say removing the bios battery will remove the password but it does not ..." => Just to be sure, you did remove the CMOS battery, not just the laptop's battery, right?   It requires extensive disassembly of the laptop to get to the CMOS battery (see Table 2-5 of the Service Manual) => is that what you did ??

If HP says that will reset the password, then hopefully it will.  Otherwise, the laptop may use a security chip;  and if so, that's a much-different (and more difficult) issue which is NOT easily resolvable.

jrtoolCommented:
Hurel, This has worked for me before. Remove the cmos battery, power it on like your booting it, let it go and see if you can enter the bios. You probably won' be able to. Shut it down put the battery back in and turn it on and try and enter the bios again. This time you may be able to. I call it a "jumpstart"! I have had this work before for me. Hope this helps! jrtool
Gary CaseRetiredCommented:
... I meant to post a link to the Service Manual after I gave you the table reference:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00246219/c00246219.pdf
HurelAuthor Commented:
Thanks for the replies

It was the cmos battery and it did mean stripping the laptop down to system boardlevel!!.

I have a copy of the manual and followed that to strip it down.(thanks for post it though)

I left the battery out overnight to make sure.There are no jumpers on the motherboard.

cheers
Gary CaseRetiredCommented:
In that case this laptop most likely uses a security chip.   With a security-chip-enabled laptop, if you enable a BIOS password and forget it, you are out of luck.   The security for these laptops is exceptional -- you basically have to replace the motherboard (and, if it also has an ATA-secure hard drive, the hard drive).   This is excellent security for your data - a stolen laptop is essentially useless.   But if the legitimate owner (e.g. you) forgets the password, it can be a real pain ==> not just the pain of getting it fixed, but a financial pain, as this is likely to cost several hundred dollars.

The link callrs provided above (http://www.pwcrack.com/bios.shtml) is one of a few companies that can help with this;  but it is NOT inexpensive (although they generally are less expensive than the laptop's manufacturer).

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