How to Remove or Bypass BIOS passwords?

BIOS Password

        A BIOS password can be set from BIOS Setup that appears but pressing the Delete button or F2 key just after turning on the computer.A Settled up BIOS password cannot be checked,modified,removed either by any basic steps or using any specific tool.So the Manufactures do have made some unofficial ways of bypassing those passwords.But there’s a way that can remove BIOS password on any computer.

CMOS Battery reset method 
This method can be used on almost all the computers and you must have some basic knowledge about computer hardware to perform this.And also using this method you can remove BIOS password of almost all the computers

This photo you can see a small battery.This battery works as the power unit when your computer is turned off.That means it keeps your computer’s time running and remembering your BIOS passwords and settings.
So Removing this battery for a while can reset all those data from your computer.Remember that this do reset your computer’s time too.

1. First of all Unplug your computer from Main power.
2. Now remove the computer casing
3. Better keep your CPU horizontally,So you can see your computer’s motherboard clearly
4. Now search for the Battery shown in this photo above (normally computers do have only one battery,So its not hard to find this)
5. Now remove the Battery (you may have to use some non-sharp tool)
6. Wait up-to 5 minutes (This time may varie according your motherboard brand,basically its about 5 minutes)
7. Now place battery back in the right place
8. Install the Casing back and try turning your computer On
9. It will not ask for a BIOS password anymore

Using Manufacture Passwords
       some BIOS manufactures have secret passwords to break your forgotten BIOS password.These secret passwords are available only for limited BIOS brands.Here we have some backdoor passwords

AMI BIOS

A.M.I.
AAAMMMIII
AMI?SW
AMI_SW
AMI
BIOS
CONDO
HEWITT RAND
LKWPETER
MI
Oder
PASSWORD

AWARD BIOS

01322222
589589
589721
595595
598598
ALFAROME
ALLy
aLLy
aLLY
ALLY
aPAf
_award
award
AWARD_SW
AWARD?SW
AWARD SW
AWARD PW
AWKWARD
awkward
BIOSTAR
CONCAT
CONDO
Condo
djonet
HLT
J64
J256
J262
j332
j322
KDD
SER
SKY_FOX
SYXZ
syxz
shift + syxz
TTPTHA
ZAAADA
ZBAAACA
ZJAAADC

PHOENIX BIOS

BIOS
CMOS
phoenix
PHOENIX

Misc Common

ALFAROME
BIOSTAR
biostar
biosstar
CMOS
cmos
LKWPETER
lkwpeter
setup
SETUP
Syxz
Wodj

Other Manufacturer

Biostar – Biostar
Compaq – Compaq
Dell – Dell
Enox – xo11nE
Epox – central
Freetech – Posterie
IWill – iwill
Jetway – spooml
Packard Bell – bell9
QDI – QDI
Siemens – SKY_FOX
TMC – BIGO
Toshiba – Toshiba
VOBIS &  IBM – merlin

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