reset bios password

How to reset BIOS password


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Have you forgotten your BIOS password? do not worry, do the following to reset BIOS password:

Caution:- Before you perform the following steps note that this is at your own risk. Also, you have to set the time of your computer when you start it again.

Reset BIOS Password

  1. Open the CPU.
  2. You will see the motherboard.
  3. There is a coin-like battery on it near the BIOS chip.
cmos
CMOS

Note: This battery is called a CMOS battery. It used to run the system clock when the computer is turned off. It also starts the booting process when the computer is turned on.

  1. Safely remove the battery from the motherboard.
  2. Wait till 30 seconds and place battery again on the motherboard.
  3. Restart the computer and when you do so, the system will not ask for the password again.

This is how you can change your BIOS password.

More about CMOS

CMOS (Complementary metal-oxide-semiconductor)

CMOS stands for complementary metal-oxide-semiconductor. Its the type of technology used in making batteries and BIOS. It is also used in making ICs , rams, microprocessors, etc. It is used in making transistors which are used in manufacturing the microchips today we see. They are also often referred to as complementary-symmetry metal-oxide-semiconductor (COSMOS) , Real Time Clock (RTC) , Non-Volatile RAM (NVRAM).

CMOS was first used in Motorola 146818 chip as RTC and CMOS RAM chip which was in used in IBM computers capable of storing 64kb of data.

The CMOS battery is usually referred to as CR2032 battery. Its lifetime is mostly 10 years but it needs to be replaced sometimes. When the date and time are running slow in the PC it means that the battery is dying and needs to be replaced.

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