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What is bios?what bios is cmos - Computers & Internet

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BIOS =Basic Imput Output System. CMOS is the onboard chip that stores the info for the BIOS.

CMOS chips pass information to the BIOS (Basic Input/Output System) when the computer is turned on (called bootup). CMOS stores information such as boot order (the order the computer looks for information, such as A drive first, C drive second, and so on), real-time system clock, calendar settings, hardware passwords, hard drive configuration settings, and the installed memory (RAM). Essentially the CMOS chip stores data for the BIOS so that a computer can boot up properly.

Posted on Aug 28, 2010

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What is BIOS password?


No way to know YOUR bios password.
If you've neverassigned a BIOS password, press enter without inputting anything.
If you have a BIOS passwoed, you can reset BIOS rmoving CMOS battery



laptop cmos battery






Tutorial How to replace the CMOS battery in your laptop




How to Clear Your Computers CMOS to Reset BIOS Settings




How to clear an unknown BIOS or CMOS password

Apr 01, 2015 | Computers & Internet

Tip

How to reset the bios password using PC CMOS Cleaner.


Burn the PC CMOS Cleaner iso ..using ImageBurner or Nero
1.Start up
Insert PC CMOS Cleaner CD, Set BIOS to boot from CD/DVD-ROM.
The first page presents to user is : PC CMOS Cleaner is ready to run.
PC CMOS Cleaner will try to decrypt the encrypted password store in CMOS and list the possible results in the list box:
BIOS type : the type of the BIOS.
Possible passwords:
possible passwords store in current computer. The passwords are listed between '' .
3. Reset the BIOS to default state
If the possible passwords do not work. PC CMOS Cleaner will try to reset the BIOS to the default state.
This action will blank the BIOS password. You may also lose all your previous settings.
There are two choice for you:
Choice 1: Reset password (try to keep date and time)
This choice will try to reset the BIOS, but keep the date and time.
Choice 2: Reset bios (all setting will be set to default, password will be erased)
This choice will reset all data in BIOS to default state.
Please try the Choice1 before Choice2.

on Jan 12, 2011 | Microsoft Windows XP Professional

Tip

How do I reset my BIOS/CMOS to defaults?


Let's get to it!
There are two ways to reset your BIOS/CMOS, the first way is to locate the three pins that relate to the BIOS/CMOS clear header. If the jumper is over pins 1 and 2 it represents normal operation. Therefore to clear the BIOS/CMOS one would place the jumper over pins 2 and 3 for about 15 seconds.

Now remember that the BIOS chip is a EEPROM, this means that it will store information so long as it has suffiecient power, from a power source. In this case it is a silver button cell located on the mainboard, usually of size CR2032 3Volts. Once the jumper is placed over pins 2 and 3 for about 15 seconds, quickly place the jumper back to the normal position, which is over pins 1 and 2.

The second way to clear the BIOS/CMOS is to simply remove the BIOS/CMOS silver button cell, for about a minute and then reinstall it in the correct orientation.

Well thats it, now you will be able to boot your system on the defalts settings. Remember to enter the BIOS/CMOS by hitting the approprite key during Power On Self Test. There are many different keys, depends on your computer system. Common ones are Delete another is F12.
Enter the BIOS/CMOS to correct the date and time and to set the boot priority.

Shown below, on the left, the silver button cell of size CR2032, centre, a yellow jumper on the clear BIOS/CMOS header, on the right, the BIOS/CMOS.
damnor01_10.jpg
All the best!
damnor01

on Dec 12, 2010 | Computers & Internet

2 Answers

How to reset bios password , i forgot d password


Remove the battery on the mother board, wait 5 minutes.

Oct 15, 2009 | Fujitsu LifeBook P1120 Tablet PC

3 Answers

Crack bios password on compaq nc6320 - please


You can crack dell bios password with Windows Password Recovery Tool 3.o . Here is a good post to help you:
http://www.windowspasswordsrecovery.com/crack-dell-laptop-password.htm

Oct 09, 2009 | HP Compaq nc6320 Notebook

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Problem: You do not have access to change the settings in BIOS? . Have bought a...


There are two passwords in BIOS. One is start up password, the other isBIOS setting password. If you have forgotten the start up password thatmeans you cannot open computer at all. Then the first method is theonly thing you can do. Other methods can use to clear setting password.
==①:Motherboard Battery Discharge==
The common way toreset start up password is discharge Motherboard Battery. Most of thecurrent motherboard BIOS is using the button batteries to provideelectric power.That means if there is no electricity, the informationit contains will be lost. When it’s on power again, BIOS will set backto its original state, of course, there will be no BIOS passwords. Butyou will lose your setting at the same time.
What we need to dois to power off computer, open the computer box, and then unplug thepower plug of the computer to make sure that it is no electricity atall. Then locate the white silver button battery on the motherboard.Remove the battery carefully. Perhaps 30 seconds later, put back thebattery.
After put back the computer box then power on, thesystem will prompt “CMOS Checksum Error-Defaults Loaded”. That meansCMOS errors detected during inspections, had been included in thesystem default, BIOS password cracking success!
On somemotherboards, the battery is soldered to the motherboard, making itdifficult to remove. If this is the case, you have another alternative.Somewhere on the motherboard you should find a jumper that will clearthe BIOS password. If you have the motherboard documentation, you willknow where that jumper is. If not, the jumper may be labeled on themotherboard. If you are not fortunate enough for either of these to bethe case, you may be able to guess which jumper is the correct jumper.This jumper is usually standing alone near the battery. If you cannotlocate this jumper, you might short both of the points where thebattery connects to the motherboard.
==② : Backdoor BIOS Password==
Eachmotherboard manufacturer has set a backdoor password in order tofacilitate the provision of technical support. The backdoor password isa BIOS password that works, no matter what the user sets the BIOSpassword to. These passwords are typically used for testing andmaintenance. Manufacturers typically change the backdoor BIOS passwordsfrom time to time.
AMI Backdoor BIOS Passwords
Reported AMIbackdoor BIOS passwords include A.M.I., AAAMMMIII, AMI?SW , AMI_SW,BIOS, CONDO, HEWITT RAND, LKWPETER, MI, and PASSWORD.
Award Backdoor BIOS Passwords
Onereported Award backdoor BIOS password is eight spaces. Other reportedAward backdoor BIOS passwords include 01322222, 589589, 589721, 595595,598598 , ALFAROME, ALLY, ALLy, aLLY, aLLy, aPAf, award, AWARD PW, AWARDSW, 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 Backdoor BIOS Passwords
ReportedPhoenix BIOS backdoor passwords include BIOS, CMOS, phoenix, andPHOENIX. Backdoor BIOS Passwords from Other Manufacturers Reported BIOSbackdoor passwords for other manufacturers include:
ManufacturerBIOS Password
VOBIS&IBM merlin
Dell Dell
Biostar Biostar
Compaq Compaq
Enoxxo11nE
Epox central
Freetech PosterieI
Will iwill
Jetway spooml
Packard Bell bell9
QDI QDI
Siemens SKY_FOX
SOYO SY_MB
TMC BIGO
ToshibaToshiba
Remember that what you see listed may not be the actual backdoor BIOS password,this BIOS password may simply have the same checksum as the realbackdoor BIOS password. For Award BIOS, this checksum is stored atF000:EC60.
==③: Software Crack==
There are a lotsoftwares to test systems or start up password, but they need to run onWindows. So it is only used to reset BIOS setting password.
!BIOS will recover the BIOS password for most common BIOS versions, including IBM, American Megatrends Inc, Award and Phoenix.
CmosPwd will recover the BIOS password for the following BIOS versions:
•ACER/IBM BIOS
•AMI BIOS
•AMI WinBIOS 2.5
•Award 4.5x/4.6x/6.0
•Compaq (1992)
•Compaq (New version)
•IBM (PS/2, Activa, Thinkpad)
•Packard Bell
•Phoenix 1.00.09.AC0 (1994), a486 1.03, 1.04, 1.10 A03, 4.05 rev 1.02.943, 4.06 rev 1.13.1107
•Phoenix 4 release 6 (User)
•Gateway Solo - Phoenix 4.0 release 6
•Toshiba
•Zenith AMI
Ifall else fails, you might be going to lose some money for technician.But they will use these same methods, try hard by yourself.

on Jan 29, 2010 | Computers & Internet

1 Answer

My toshiba equium just wont except the main password, cant reboot..cant get into bios


At this time you need to cleat the BIOS password first so that you can get into BIOS. To cleat the BIOS password you need to open your laptop you just remove the battery first. Remove the screw and open the back cover. Locate the CMOS battery, all password are stored in CMOS memory.

Remove the CMOS battery to clear the stored BIOS password, Or you can remove also the CMOS jamper near the CMOS battery and turn on the unit with in 10 second and turn off. Reinsert the jamper. Now the BIOS password are already clear you can get now in BIOS to change some settings. Good luck

Oct 08, 2009 | Computers & Internet

3 Answers

Bios password,


If you have a BIOS password and cannot remember what it is, download this program, run it and reboot your machine. Should remove the password for you. http://www.cgsecurity.org/wiki/CmosPwd

Oct 07, 2009 | Sony VAIO GRX500KA (PCG-GRX500KA) PC...

2 Answers

How can i reset CMOS/BIOS password for HP compaq tc4400 laptop i have hp 500 notebook and i forget cmos/bios password . i remove cmos battery . but dont solve it . how can i solve it


how can i reset CMOS/BIOS password for HP compaq tc4400 laptop i have hp 500 notebook and i forget cmos/bios password . i remove cmos battery . but dont solve it . how can i solve it

May 04, 2009 | HP OmniBook 500 Notebook

2 Answers

How I can remove password from bios


the easiest way to do it is to flash a new bios, you can download it from the pc`s manufacturers site

Jan 04, 2009 | Computers & Internet

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