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Just remove the battery, this will reset the Bios settings.
just remove the bettry cell for1 mint. but branded system has bios passward jumper. remove the jumpber and start the computer. this jumper is located on the motherboard nearer the bettery cell.
Open your computer case after completely switched off and unplugged the power cable. Discharge any static electricity If the jumper is on a 3-pin connector, put the horse on the middle pin and the pin not initially covered (from the pin1-pin2-pin2 pin3 position, or vice versa). Wait a second and then return the jumper to its original position (pin1-pin2). If the jumper is on a 2 pin connector and it is riding on one pin, place it on both, wait one second and then return it to its original position.
On some models of laptop odinateurs to reset the BIOS, just remove the battery and press and hold the on / off button for more than5 seconds.
Remove the CMOS Battery located in the motherboard of your computer and place it back in.
remove the cmos bettery and restart your pc and afterthat shutoff your computer and replace back in motherboard.
A BIOS password is a protection measure that can be used to stop someone powering up a computer system or making changes in some of the computers most sensitive areas. Many big name computer manufacturers such as Dell and HP lock the customers out of this area because they don’t want the customer changing anything and potentially damaging the machine (which the manufacturer may have to warranty). However, when someone like a computer technician or hardware enthusiast needs to make some hardware changes to the computer, they will need to access the BIOS. Here are some methods to be a bios password cracker, removing a BIOS password.NOTE: Do not try to guess the password on a passworded Hard Drive.3 wrong guesses will often result in the information on the hard drive being lost forever.
How to Bypass or Remove a BIOS Password by Removing the CMOS Battery:The simplest way to remove a BIOS password is to simply remove the CMOS battery. A computer will remember its settings and keep the time even when it is turned off and unplugged because these parts are powered by small battery inside the computer called a CMOS battery. If we pull out this battery, the computer will forget alot of its hardware settings, including its BIOS password. This should not be performed on Laptops if you are not experienced working with laptop hardware.
Anyway, open up the computer case using a screw driver and locate the flat, circular and metallic CMOS battery. It should look something like the picture to the right. Some computers have this part standing upright.
Once you have located it, observe how the latches are holding it. There are many different ways to remove a CMOS battery but the most common way on newer computers can be seen in the picture below.
Make sure to power down the computer, unplug the power cables and unplug any USB devices if they are powered. The computer must not be able to get power from anywhere for this to work. Take out the CMOS battery and wait10 –25 minutes before putting it back in. The reason for this wait is because the computer can still store power in its capacitors even though everything is unplugged. The waiting period allows enough time for them to discharge.
Plug everything back in, power up the computer and enter the BIOS again. If everything went well there should be no more password. In some cases, if you get weird error messages during bootup now, you will need to goto “Load BIOS Defaults” in BIOS and save the changes to fix them.
If this method didn’t work, try one of the methods below.
How to Bypass or Remove a BIOS Password using Software:!BIOS is a freeware utility which is designed to be a whole BIOS and security suite. It has the ability to decrypt the passwords used in some of the most common BIOS makes such as Award, Phoenix, American Megatrends, IMB etc..It also has the ability to brute force the password (known as “blasters”). However, this method is dangerous and can result in some unexpected and unwanted results.
Note: Because of this applications password cracking abilities, some antivirus software may report it as a virus/trojan. This is a false positive.
To start using !BIOS, reboot your computer and take note of the BIOS type and version you are running. For example, If your motherboard uses Award BIOS you should look for the text “Award Medallion BIOS6.0″ or something similar.
Download !BIOS from here and save it to your desktop. Then, open a DOS command windows by going toStart > Run and type: cmd
Once you see a black screen in front of you, type: cd desktopYou should now see something like: C:\\Documents and Settings\\YourUserName\\Desktop>
Now type the name of the file you just downloaded, if you haven’t changed the name just type in: bios320.exe
Use the down arrow and choose “Crackers” and then press the right arrow. Using the up and down arrows, select the BIOS that the motherboard is using and press Enter.
You should now see a menu asking what you want to crack, in most cases its the Supervisor or System Passwords you want to crack, so press the1 key on your keyboard. It will then show you another menu asking how you want it to be cracked. Option1 is pretty good so try that first by pressing the1 key on your keyboard. You should now have your BIOS password.
Reboot the computer, enter the BIOS and try it out.
How to Bypass or Remove a BIOS Password using the manufacturer backdoor password:
On many computers (especially old ones), computer manufacturers build in backdoor passwords for their own technicians to use so they can access the BIOS when the hardware is being serviced. Here are some of the ones that have been reported. You may need to try quite a few passwords before you find one that works
These passwords are CaSe SeNsItIve.
AMI BIOS Backdoor Passwords:
Award BIOS Backdoor Passwords:
Russian Award BIOS Passwords:
Phoenix Backdoor BIOS Passwords:
Other Manufcaturers Backdoor Passwords: (manufacturer name – password)
Jumper remover
remove the cmos jumper
,erase the CMOS battery for10 -15 minutes then put the battery again
You can either remove the battery or use the jumper to flush the CMOS.
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