Remove BIOS Password using Hiren's BootCD. How to Remove a BIOS Password using Hiren's BootCD
Hirens Booot Disk
Burn Hirens ISO to a disk
Computer circuitry can hold power for a while after you take the battery out. That's why he says to take it out for at least 30 minutes. Otherwise all the power will not drain from the motherboard completely. You should also wear an anti-static wrist strap or ground yourself before touching your motherboard. Electrostatic discharge can fry your motherboard or other vital components.
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