Lost Bios Password

Hello,
I bought a laptop off eBay and I need the bios administrator password.
Laptop is HP Probook 4430s
[edited Serial Number by moderator]
Any help?
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M.
There are no master password generators for ProBooks or EliteBooks and most Business class laptops.
You will need to contact HP.
http://www8.hp.com/us/en/contact-hp/ww-contact-us.html?jumpid=reg_r1002_usen_c-001_title_r0003
Or look at this link.
http://forums.mydigitallife.info/threads/49497-HP-Probook-Elitebook-BIOS-Password-Reset-Utility
Or replace the BIOS chip.
http://www.ebay.com/itm/HP-Probook-4230s-4330s-4430s-4530s-4730s-5330m-5320m-5310m-Bios-Chip-No-Pass...
REO
I must inform you that these services are not endorsed by HP, and that HP is not responsible for any damage that may arise to your system by using these services. Please be aware that you do this at your own risk.
HP Expert Tester "Now testing HP Pavilion 15t i3-4030U Win8.1, 6GB RAM and 750GB HDD"
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A. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
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View Solution.

Have you installed the AuthenTec fingerprint driver and your Protect Tools Security software?
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=3999719&lang=en&cc=us...
If none of those resolve it, you can use the Active Chat feature on the page to get support from an HP Tech.
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Hi,
Enter: 77753369
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Hi,
Try entering: e9lo3u7039 ( 3rd character is a lower case L and the 8th is Zero )
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Hi,
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Hi,
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Help I lost my password for my bios
My code is (62051835)

Kudo try.
73939211
Use that code to go into the BIOS.
Disable all passwords that are enabled.
If asked for the CURRENT password uses that code.
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I must inform you that these services are not endorsed by HP, and that HP is not responsible for any damage that may arise to your system by using these services. Please be aware that you do this at your own risk.
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Hi,
Enter: 78798816
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****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

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VB try.
46021964
Use that code to go into the BIOS.
Disable all passwords that are enabled.
If asked for the CURRENT password use that code.
If asked for NEW password just hit enter.
If asked to VERIFY password just hit enter.
Save and exit.
REO
I must inform you that these services are not endorsed by HP, and that HP is not responsible for any damage that may arise to your system by using these services. Please be aware that you do this at your own risk.
HP Expert Tester "Now testing HP Pavilion 15t i3-4030U Win8.1, 6GB RAM and 750GB HDD"
Loaner Program”HP Split 13 x2 13r010dx i3-4012Y Win8.1, 4GB RAM and 500GB Hybrid HDD”
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Lost Bios Password

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