This is the most simple and most useful hack that you must know. It lets you hack the BIOS and gain entry into any system that stores passwords in the BIOS.
Just Do the following :
1. Open the CPU
2. Now, observe the motherboard.
3. You notice a coin like silver Battery(3V).
————————–————— NOTE ——————————————————-–
This battery is 24 x 7 power supply for the BIOS, which is used to run the system clock will the main power is off. It also initiates the booting process when power is switched on.
4. Remove the battery from the motherboard.
(It is safe to remove the Battery)
5. Wait 30 seconds and place the battery back on the motherboard.
6. Now, when you start your system you won’t be prompted for the BIOS password.