acer aspire v5-471 clear bios password

I take main bateries out and take cr2032 inside out for 12 hours  in the morning I switch on it ask password a gain How can I clear cmos pass word for this model
teeraAsked:
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dbruntonQuid, Me Anxius Sum?Commented:
Contact these people http://www.bestlaptoprepair.com/productshow.asp?smallclassid=2&id=2560# for a replacement BIOS chip.

You could have a look at the technique here http://yourbusiness.azcentral.com/manually-reset-bios-password-acer-18989.html but for most modern laptops you need to take the laptop to service agent with proof of ownership before they will reset it.
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nobusCommented:
You can't remove the password, without knowing it !   -->  ( what good is a password that can be "repaired" ?)
modern laptops keep it in a security chip - for anti-theft reasons
resetting the bios does not help;  nor does removing the battery, since the password is not in there
you would need to know in what chip it is, and how to reset that
you have to turn it in to the manufacturer, and show proof of ownership - then they can help
or replace the mobo !
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