How to Hack BIOS Passwords
Sometimes you may face a huge dilema: you can not access the BIOS because you forgot the password. Or maybe you need to access the BIOS of someone else’s computer. The first thing you should be aware of is that cracking a BIOS password is not impossible.
Simple Thoughts lists several ways you can hack BIOS passwords.
- Try the default password. In certain instances there are electrical problems cause the PROM on the motherboard to reset to the Bios(CMOS) to default values. You can try: concat, AMI, Award, bios, setup, cmos.
- Use a software to read the BIOS password like CmosPwd or !BIOS.
- Reset BIOS password with Vendor Specific Solutions.If you are using a Dell Inspiron, there’s a master password that can clear the BIOS password. For the Toshiba laptops you can reset the BIOS password with the help of KeyDisk (http://www.cgsecurity.org/keydisk.exe).
Source: Simple Thoughts
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December 29th, 2009 09:35
A. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don’t have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.
B. By Using Software:
I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/