HP EliteBook 820 removing bios password.

Please help me removing bios password on HP EliteBook 820

You can clear the CMOS to clear BIOS password.
To clear CMOS, refer to the link mentioned below to remove the CMOS battery and wait for 20 seconds and then replace it and power on and check.
http://h20464.www2.hp.com/index.html
From this link, under product category select "Laptops and notebooks".
Under product family select "HP elite noteook pcs".
Under product series select "HP Elitebook 820 which your notebook model and then click on 
remove replace videos at the bottom and then click Real time clock battery on the new window.
This will show you the video to remove and replace RTC battery.
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Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
AntonyG1
Although I am an HP employee, I am speaking for myself and not for HP

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