Question about HP Pavilion dv4000 Notebook

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Bios lock what i do how to get bios password remove

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This is the web address of your parts breakdown in your laptop
http://h10032.www1.hp.com/ctg/Manual/c00530488.pdf

Please go to page 3-11 and look at number 20. the RTC Battery, Unplug power cord, remove the laptop battery, open the unit and remove the RTC Battery. Give it about 20 Min's and put back together again. This will remove the bios password

Hope this helps

Posted on Nov 11, 2008

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Try this link

Easiest Method would be to follow these steps

1: Unplug Power Cord from Power Supply in Back
2: Open Case
3: Locate Round Battery on Motherboard
4: remove Round Battery
5: wait 5 Minutes
6: replace the battery
7: Close case and plug power back in.

This should solve your problem.


If not try the solution below

Clear cmos

Typically to clear the cmos there are 3 pins with a 2 pin jumper, near the battery.
Pin 1&2 clears the cmos and pin 2&3 is default, do not do this when the system is running or it will kill your motherboard.

Posted on Nov 11, 2008

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1 Answer

How to remove BIOS password


If you have the current password, use it to access the bios password screen in your BIOS menu and leave the new password blank.
Assuming you don't have the BIOS password, there is generally a white jumper connecting two pins on the system board. With this removed, the BIOS password will not lock out changes to the BIOS. This is especially useful if you've purchased a used system that the previous owner locked out.

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BIOS passwords can be reset in two ways:

1. using software 2. using hardware.

I would first try resetting using software, here are two software apps to reset or retrieve BIOS passwords.

!BIOS - is a PC BIOS toolkit offering password removal/decrypt and BIOS settings modification/backup/restore.
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Is it locked it in BIOS or in Windows? If it's locked in BIOS, you will need to open up the laptop and locate the jumper and remove the CR2032 battery from the motherboard.

If it's locked in Windows, you would need to re-install Windows again to reset the password.

But if it's locked because of the product key code, then you will need to call up Microsoft automated telephone line. Just have the internet access ready.

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Hello Oldnovii
This Toshiba notebook has both a BIOS and hard drive lock on it. The client has already paid $ 25 to the Toshiba depot to have the BIOS lock removed now they want $ 100 to remove the hard drive lock. The hard drive lock cannot be removed by trying to bypass it using a boot cd or disabling the hard drive boot option in the BIOS. Any help will be appreciated since my client has now had the notebook for 2 weeks and cannot use it. Thanks

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