How to reset the BIOS Password

15 pts.
Tags:
BIOS
BIOS password
BIOS settings
how to reset the Bois Password? i forgot the Old password.

Software/Hardware used:
Compaq Preserio c700

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The procedures for clearing a Bios/CMOS without jumpers is :

1. Shut down the computer and disconnect the power plug.

2. Locate and identify where the battery is located on the motherboard. It will be approximately 1/2 inch in diameter.

3. Normally these batteries are held into place with one or more small clips over the face of the battery. Carefully lift the battery out of its socket and set it aside.
NOTE: Some batteries are actually soldered to the motherboard, so take that into consideration and be careful.

4. Leave the battery of the computer for about 20 to 30 minutes and then return it to its socket.

5. Now plug the power cord back in and restart the computer.

6. When the computer begins it’s boot process, Press DEL, F10 or F1 key, (whichever is appropriate for your computer) to get into the Bios setup.

7. Once into the Bios/CMOS setup, look for a section or area to set the Bios/CMOS to its default settings. This will return the motherboard to either its basic or optimum settings depending upon the motherboard manufacturers settings. You will then need to verify certain settings, such a CPU and memory as well as hard drive type and size recognition.

8. After making any final adjustments, save your settings and restart the computer. The Bios password should be gone and the Bios set to its default settings.

U may use 3rd party SW like CMOSPWD, but I am not sure about this. The manual is tested and I experienced it and it works fine.
CAUTION: Take great careful when u open the side cover of ur computer and pulling out the battery….. u may call for a hardware engg for help !

Hope it works for u !

Discuss This Question: 2  Replies

 
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  • Solomonone
    if that doesn't work which I am sure it will is go on the BIOS manufactures website. They post a lot of backdoor codes that may work.
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  • jinteik
    There are actually 2 ways. 1. Take out battery like mention on top 2. Some pc's allow you to pluck out the BIOS (works on older computers) so that can work too
    17,650 pointsBadges:
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