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BIOS Passwords
#1
Ever purchased a 2nd hand computer to only finxd that its bios is protected with a password , or even worse , you cant boot because its asking for a password?

The best way of overcoming this problem is to open the computer , find the CMOS battery (flat circular battery that sits on the motherboard) , remove it for 1 minute and then reinsert it. This should clear all passwords.

However , if you have a laptop , accessing the CMOS battery can be very difficult , sometimes requiring you to almost fully disassemble the laptop to get to it!

Manufacturers implement so called "Backdoor" passwords which, depending on the make of the bios , are default passwords which can be used to bypass a user set password.

Ami - Updated 17th September 2009 Big Grin

A.M.I., ami , amiami , amidecod , CMOSPWD , AAAMMMIII, AMI?SW , AMI_SW, BIOS, CONDO, HEWITT RAND, LKWPETER, MI, PASSWORD , AMI.KEY ,KILLCMOS,amipswd , AMISETUP, 589589, AMIPSWD, AMI?SW, ami.kez ,AMI, AMI!SW , ami°
,AMI_SW ,helgasss ,aammii , bios310, AMI~ , BIOSPASS

Award

One reported Award backdoor BIOS password is eight spaces. Other reported Award backdoor BIOS passwords include

01322222, 589589, 589721, 595595, 598598 , ALFAROME, ALLY, ALLy, aLLY, aLLy, aPAf, award, AWARD PW, AWARD SW, AWARD?SW, AWARD_PW, AWARD_SW, AWKWARD, awkward, BIOSTAR, CONCAT, CONDO, Condo, condo, d8on, djonet, HLT, J256, J262, j262, j322, j332, J64, KDD, LKWPETER, Lkwpeter, PINT, pint, SER, SKY_FOX, SYXZ, syxz, TTPTHA, ZAAAADA, ZAAADA, ZBAAACA, and ZJAAADC.

Phoenix

BIOS, CMOS, phoenix, and PHOENIX

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

New! Added September 17th 2009
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
Old HPs (really old, around the time HP formed) had the 8 space passwords for a backdoor for the BIOS and for "technician" login of the windows reinstall partition, when they implemented that. technician level login allowed reinstall without asking for a cdkey, and also had a few interesting utilities. however it was removed shortly after it was implemented due to useage abuse, so its rare.

Some old MSI motherboards have "microstar" or "microsta" (depending on character length available)

Some old Packards had a keyboard shortcut during POST, that went into the BIOS without checking for password. but I dont remember exactly, something like Alt-f10. Google might help with this one.
Hopefully this will be of some use to those people with password protected bioses
find
quote
#2
how do i get pass an mdg idplatform key bought a pc 2cnd hand and when i turn it on it say erroe key expiration id platform key before i can go on the cmos battery thing wrked once and then the hydro went out and now it wont wrk again any suggestions?
find
quote
#3
I did a short tutorial on clearing bios password that works on several different models of toshiba laptops. Check it out at http://computerlimbo.com/Thread-how-to-c...her-models Big Grin

ATHLON 64X2 4400+ @2.88GHZ, OCZ DDR2 800 4GB, XFX 4770@925mhz core/1000mhz memory
find
quote
#4
Hey Guys me Mark.According to that topic one thing you must remember that most Bios passwords do not protect the difficult generate, so if you need to recover the data, simply remove the difficulty and install it in an identical program.
Thanks!!


Double Ended Beam Load Cells
find
quote
#5
I'm looking for a backdoor password into the BIOS on a HP 6735s laptop. Could anyone point me in the right direction?
find
quote


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