How to unlock setup / BIOS

Sometime we set password for boot menu or BIOS settings. Unfortunately when we forgot it and need to re-install the OS, it creates trouble. Don't worry, every lock has it's key. Here is the trick to remove that password without any third party software. It may be a little bit tricky. Here is the way :

Open your PC. Remove it's C-mos battery. Keep it removed for 20-30 minutes. Restart the machine. Again remove the C-mos battery and keep it removed for 20-30 minutes again. Please skip the set time and date option after restart. Reboot your device and go to setup / boot menu. Your problem has been resolved !

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