Bios password removal

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imahustler

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May 13, 2015
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Hey,
Anyone know how to remove hp compaq 6720s bios password?
I tried few things including the one in manual ( removing cmos battery and dissassemblying everything before that, then after reassembly booting without battery from AC)
Didnt work, then i tried starting without cmos and only with ram.. that didnt work aswell. Even without cmos battery it asked for password. Password is set by previous owner not HP, so it should be recoverable somehow?
There is no obvious jumper on motherboard, atleast couldnt locate it. I tried few recovery programs like !bios and few other.
thx
 
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