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BIOS Passwords - Bios setup- and master passwords

BIOS Master- and Setup-Passwords

Delete BIOS-Passwords on PC-Mainboards
Delete BIOS-Passwords on Notebooks
BIOS-Setup-Password via Software
BIOS Master-Passwords
Delete BIOS-Boot Password
Delete BIOS-Setup Password
Keystrokes to Enter the BIOS-Setup

 

Delete BIOS-Passwords on PC-Mainboards

Clear the CMOS of your PC-Mainboard if you want to reset the BIOS-Boot password or BIOS-Setup password:

CMOS-Reset instructions for PC-Mainboards and Notebooks
Delete BIOS-Boot Password
Delete BIOS-Setup Password

 

Delete BIOS-Passwords on Notebooks

Don't clear the CMOS of your Notebook, because it will not reset any BIOS-Boot password or BIOS-Setup password! Notebooks have better theft protections like an additional (tiny, hidden) IC-integrated module that contains the password. Some manufacturers store the password on a hidden hard disk sector. So, the only solution is a direct contact to the manufacturer's support, where they proof that you are the legal owner of the notebook. Depending on the manufacturer, you have to send him the serial number of the notebook and you'll get (in many cases free of charge) an individual master password to unlock the notebook. Some other manufacturers even offer only the replacement of the notebook's mainboard - which will be really expensive!

Currently some dubious websites offer to remove the password for money. Be careful, otherwise you'll lose your money!

 

BIOS-Setup-Password via Software

You can download the free, small program ctbios15.zip from the german Computermagazine c't. Ctbios shows the password and some other interesting things about your BIOS. (great tip!)

 

BIOS Master-Passwords

Lost your BIOS-Setup password or BIOS-Boot password? You can try one of the following Master passwords:

The following Master passwords may be work only on very old Mainboards and Notebooks which are build before the year ~ 2005. Newer notebooks don't have any Master passwords, or they have a special Master password which was generated by the notebook's serial number.
AWARD Master passwords
01322222 bios lkw peter
1EAAh BIOS lkwpeter
256256 biostar PASSWORD
589589 biosstar SER
589721 CONCAT setup
?award CONDO SKY_FOX
admin condo SWITCHES_SW
alfarome djonet Sxyz
aLLy efmukl SZYX
aPAf g6PJ t0ch88
award h6BB t0ch20x
award_? HELGA-S ttptha
award.sw HEWITT RAND TTPTHA
AWARD SW HLT TzqF
AWARD_SW j09F wodj
AWARD_PW j256 ZAAADA
award_ps j262 zbaaaca
AWARD?SW j322 zjaaadc
awkward j64 zjaaade

 

AMI Master passwords
ami amiami CMOSPWD
amidecod AMI.KEY KILLCMOS
amipswd AMISETUP 589589
AMIPSWD AMI?SW ami.kez
AMI AMI!SW ami°
A.M.I. AMI_SW helgasss
aammii bios310 HEWITT RAND
AMI~ BIOSPASS

 

Master passwords from different Manufacturers
Advance Integration: Advance
Amptron: Polrty
AST: SnuFG5
Biostar: Biostar / Q54arwms
Compaq:compaq
Concord: last
CTX International: CTX_123
CyberMax: Congress
Daytek+Daewoo:Daytec/Daewuu
DELL: DELL
Digital Equipment: komprie
Enox: xo11nE
Epox: central
Freetech: Posterie
HP Vectra Serie: hewlpack
IBM: IBM / MBIUO / sertafu
IBMAptiva: press both mousekeys
Iwill: iwill
Jet Way: spoom1
Joss Techn.: 57gbz6 / Technolgi
MachSpeed: sp99dd
Magic-Pro: prost
Megastar: Star
Micron: sldkj754 / xyzall
Micronics: dn_04rjc
M Technology: mMmM
Nimble: xdfk9874t3
Packard Bell: Bell9
QDI: QDI
Quantex: teX1 / xljlbj
Research: Col2ogro2
Shuttle: Spacve
Siemens Nixdorf: SKY_FOX
Speedeasy: lesarot1
SuperMicro: ksdjfg934t
Tiny: Tiny
TMC: BIGO
Toshiba:24Banc81/Toshiba/toshy99
ToshibaLaptops: press left Shiftkey
Vextrec Technology: Vextrec
Vobis: merlin
WIMBIOS v2.10: Compleri
Zenith: 3098z / Zenith
Zeos: zeosx

 

Delete BIOS-Boot Password

If you have forgotten your BIOS Boot-Password, have a look into your mainboard manual, or after opening your PC, onto your mainboard. Many mainboards have a JUMPER or SWITCH to clear the CMOS. This Jumper is often named like: "RTC_CLEAR" , "CLEAR CMOS" , "CLRCMOS" , "CLRCMS". His position is often near by the mainboard battery.

Attention: All hardware settings (harddisk-, bootsequence,-...settings) will be deleted! At least, you have to re-insert them again.

See: CMOS-Reset instructions for PC-Mainboards and Notebooks

 

Delete BIOS-Setup Password

If you can't enter the Setup of your BIOS, you need a DOS-Bootdisk and one of the following MS-DOS Files:

Filename Sourcecode I Sourcecode II
DEBUG.EXE - o 70 2E
- o 71 FF
- Q		 - o 70 17
- o 71 17
- Q
QBASIC.EXE
- 10 OUT &H70,17
- 20 OUT &H71,0
- 10 OUT &H70,&H17
- 20 OUT &H71,&H17

Start the file an insert the sourcecode line by line.

 

Keystrokes to Enter the BIOS-Setup

Different keystrokes to enter the BIOS-Setup:

Keystrokes Manufacturer
Del AMI, AWARD
ESC Toshiba
F1 Toshiba, Phoenix and later models from Late model PS/1 Value Point and 330s
F2 NEC, Dell
F10 Compaq
Ins IBM PS/2s
twice Reset Dell
Alt+Return Dell
Alt+"?" some PS/2-Models
Ctrl+Esc General
Ctrl+Ins some PS/2-Models
Ctrl+Alt+Esc AST Advantage, Award, Tandon
Ctrl+Alt+"+" General
Ctrl+Alt+S Phoenix
Ctrl+Alt+Ins Zenith, Phoenix
Ctrl+S Phoenix
Ctrl+Shift+Esc Tandon 386er
Ctrl+Shift+Alt +Del(num.Keypad) Olivetti PC Pro
Setupdisk Compaq, Epson, IBM, Toshiba, 286er

 

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