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Bios is calling for password for access which is not remembered

Will resetting CMOS overwrite previous password setting and reset to all defaults.

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Yup it sure will, only if you are doing it at the hardware level. I mean by removing the BIOS battery and all.

Posted on May 29, 2010

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Unable to log in


Which operating system ?
The Compaq Presario CMOS password is an administrative security measure built into the firmware of a Compaq computer.

This password is stored in the motherboard's BIOS (Basic Input Output System) and provides for hardware-level security.

This password may be accidentally set or forgotten over time and must be reset in order to boot the computing system.

Disconnect the Compaq computer from any electrical sources and remove the side access panel from its case.

This may require the removal of one or more thumbscrews on the rear of the computer case.


WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules

Locate the CMOS battery.

This battery is a round button-type battery located in the bottom-right corner of the Compaq Presario motherboard.

Grip the battery by its edges and pull it straight away from the motherboard to remove it.


Press and hold the power button on the case for ten seconds to remove any remaining electrical current from the computer.

This removes the CMOS settings and returns it to the default state of having no password set.

Replace the CMOS battery.


Replace the computer's side access panel and re-establish any previously severed electrical connections.
http://www.youtube.com/watch?v=zjGHpJqVJkM
Replace a CMOS battery inside a desktop computer

http://www.dewassoc.com/support/bios/bios_password.htm

http://www.tips4pc.com/articles/Computer Troubleshooting/Remove the CMOS battery to reset the bios password.htm

Jan 14, 2014 | HP Compaq Presario SR5450F (KJ383AA) PC...

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

1 Answer

How to reset hp elitebook 8460p bios password?


Generally, there are two ways to reset forgotten HP BIOS password. One is forcing BIOS/CMOS to reset itself to its stored defaults by removing all power to it. The other is to use a program to either locate or identify the password and reveal it to you or erasing the password entirely.
And the most easiest and convenient method for erasing dynamic BIOS/CMOS settings is to remove battery directly from the motherboard. It applies to most motherboards besides HP Elitebook BIOS. At this moment, HP Elitebook based on UEFI Bios provides a tool to reset BIOS password specially - HP SpareKey.
How to reset BIOS password with SpareKey?
1. Before forgot BIOS password, you have set answers to three predetermined personal identification questions.
Write down the answers to these questions and put them in a safe place, away from the computer, so that you can always access them.
2. When you cannot remember the password to access the BIOS on your computer, turn on the computer and immediately press the ESC key to display the Startup Menu. And then press the F7 key.
3. HP SpareKey wizard pops up and prompts you for the answers to the three personal identification questions. If you successfully answer the questions, you are granted access and you can reset the password.
If you do not answer the questions correctly in the three attempts, you will be locked out of your computer. And then you must contact HP for assistance.

Note: HP SpareKey cannot help you recover a Windows 7 or Vista administrator account password. It is intended solely to recover system-level passwords.
http://www.isunshare.com/windows-7-password/reset-hp-elitebook-password.html

Aug 23, 2013 | HP Computers & Internet

3 Answers

Somebody played up with my toshiba satellite Pro A200 and has set up a bios password which I'm having trouble accessing it. please I need a solution to bypass the bios password or even disable it would be...


Hello,

The BIOS password cannot be bypassed or disable. You need to know the password to reset it. If you don't know the password then you will need to physically reset it.

Here's a video on how to reset it.

WARNING:
If your not sure how to do it. Take it to the nearest computer repair center.

Mar 16, 2011 | Toshiba Satellite Pro A200-EZ2204X...

3 Answers

Bios password forgot. how can i reset password


remove cimos battery from motherboard
Insert the battery again

it will remove password form bios

Feb 05, 2011 | Lenovo 3000 C200 Notebook

2 Answers

Ibm t4o bios password i have forgoten how can i rest set this?


In order to reset passwords normally on any computer you will have to either remove the battery or reset the CMOS jumper. Also I recommend that you get the default passwords for you brand and try those first they sometimes work when accessing passwords.
The supervisor (SVP) password is stored in a chip called ATMEL 24RF08.It can not be reset by disconnecting the BIOS battery or shorting any jumper. It has to be read in order to decipherer the password. For this we need some kind of hardware so read on...by clicking this link. Click Me If that is the case and I did research this to see if the above method would work and that is what I found out. So it may move you to look at that web site page above to make sure that you have the right information. I advise that you take this to someone that knows what they are doing also there is probably a simpler way to do this possibly. Every BIOS is different yours may seem to be the case for more research than I'm familiarizer with.
Always try to pick passwords that are easy to remember and use few of them I have two usernames and passwords I use regularly as well as I will never forget them. If you are using passwords and usernames a lot for banking and private information it is good to change those often but remember what they are write them down and put them somewhere where you can find them. There is also password retrieval software available for use as well some free and others paid.
If you can access the battery you can find that underneath the laptop you may have to remove the case covers if it is pop out kind just remove it then place it back in the carrier. This should reset the BIOS to default settings. Thanks for the great question? I even learned something here! John

Jan 21, 2011 | IBM ThinkPad T40 2373 Notebook

1 Answer

Hello : my problem is i have laptop acer model 5230z : i cant access to the bios becuas is encrypted in passwoed and i try all way that found in web put is no result thank you i hope be help me


Hi,

There are four common categories of solutions to remove or reset a BIOS password and here are the details on how to go about resetting your BIOS password.

Manufacturer Backdoor BIOS Password

Most of the BIOS makers have set a backdoor password on the older computer models. That is the master password for BIOS. To reset BIOS passwords first you need to check the manufacturer of your computer's BIOS. Most computers have BIOS include AMI,
IBM, Award, and Phoenix. These are the most common BIOS. You can unlock your locked BIOS using this master password. It works, no matter what the user sets the password to. Many popular computer and laptop manufacturers such as HP and DELL lock the BIOS because they want to protect their machine's most sensitive areas (those areas which have warranty) from their customers. These passwords are usually used by computer technicians for testing and repairing.

Reset the jumper that holds the password

Open the computer and locate on the motherboard the BIOS password jumper. The jumper is usually jumper 1 and often labeled as PSWD, PWD, CLRPWD, CLEAR, JCMOS1, CLR, CLEAR CMOS, PASSWD, or PASSWORD. Normally you would have 3 pins and to reset the password you just need to put the jumper on the 2 and 3 pins leaving pin 1 empty. After you move the jumper, turn the computer on to clear the password, then once password removed turn it off and put the jumper back to its original position.

Removing the CMOS Battery to reset the BIOS to default

Switch off your computer, and open up the case. You'll see a circular metallic silver item on motherboard. This is called CMOS Battery. Remove it carefully, and leave it out for about 2 minutes. This act will remove the CMOS memory which contains BIOS password. Set the CMOS battery back and switch on the computer. Restore the CMOS configuration as default. Your BIOS password has been cleared now.

Using third party software utility to reset BIOS password

To reset BIOS you can use third party software like Kill CMOS which wipes out CMOS, or CmosPwd which is a BIOS utility. Hiren's Boot CD has a few programs including the above two that will help you to reset the password. Here is a link to Hirens Boot CD website http://www.hirensbootcd.org/. To download the latest version, click on the Download link on the left side and go to the last page. You will need a CD writer to put the content on a blank CD.

Please let me know whether this works or not.

Dec 26, 2010 | Computers & Internet

6 Answers

Dell Latitude D620 BIOS password help!!! I bought a Dell D620 and I noticed that some BIOS features are password protected. The previous owner said he doesn't know anything about it, so I'm not sure what...


Dell usually sets a default password as password or admin Try those first. If no luck go into the bios setup by continually tapping the exc key while the computer boots. If your licky you may be able to set yourself as administrator and give yourself admin rights. With admin rights you can do anything.

Nov 11, 2010 | Dell Computers & Internet

3 Answers

EliteBook 8530p bios password


Generally, there are two ways to reset forgotten HP BIOS password. One is forcing BIOS/CMOS to reset itself to its stored defaults by removing all power to it. The other is to use a program to either locate or identify the password and reveal it to you or erasing the password entirely.
And the most easiest and convenient method for erasing dynamic BIOS/CMOS settings is to remove battery directly from the motherboard. It applies to most motherboards besides HP Elitebook BIOS. At this moment, HP Elitebook based on UEFI Bios provides a tool to reset BIOS password specially - HP SpareKey.

How to reset BIOS password with SpareKey?
1. Before forgot BIOS password, you have set answers to three predetermined personal identification questions.
Write down the answers to these questions and put them in a safe place, away from the computer, so that you can always access them.

2. When you cannot remember the password to access the BIOS on your computer, turn on the computer and immediately press the ESC key to display the Startup Menu. And then press the F7 key.

3. HP SpareKey wizard pops up and prompts you for the answers to the three personal identification questions. If you successfully answer the questions, you are granted access and you can reset the password.
If you do not answer the questions correctly in the three attempts, you will be locked out of your computer. And then you must contact HP for assistance.

Note: HP SpareKey cannot help you recover a Windows 7 or Vista administrator account password. It is intended solely to recover system-level passwords.
http://www.isunshare.com/windows-7-password/reset-hp-elitebook-password.html

Oct 09, 2009 | HP EliteBook 8530p Notebook

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