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Hello, locate the small round CMOS battery on the motherboard and take out the battery. Replace it after about 5 minutes and you can then reset your password. YouTube has videos to help locate your brand of computer's CMOS battery. Open the computer case and find the battery on the computer motherboard, verify that it is accessible and can be removed. Today, most computers use a coin cell CMOS battery.
Here is a solution, go to this website, I used this to get a NT Password deleted off of a PC that I bought. The other solution is to open the CPU up and look at the motherboard, near the CMOS battery (looks like a watch battery) there is a little black piece of plastic. Now written on the motherboard it should have the initials JP2 (Jumper Password 2). Remove this piece of plastic and reboot your computer. This will remove the BIOS password. Here is the website for the NT Password and Registry Editor download. This is free but use at your own risk!!!! http://pogostick.net/~pnh/ntpasswd/
YOu can reset bios password with 2 method. (1) open back cover of
laptop then find motherbord .Pull cmos cell from motherbord for 15
minutes then again put it in it's position .then it not ask for
password. (2)You can clear password with jumper settings find jumper on motherbord named clear cmos it has 3 pin .1-2-3 Put jumper in 2-3 position then again put it in 1-2 position then check . Let me know if you need more assistance. Thanks.
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