Remove the side panel to access the motherboard.
Caution: This method works on almost all desktops but does work on modern Dell laptops, which store passwords in non-volatile EEPROM chips that unaffected by removing power or jumpers. Summary Checklist for Safe BIOS Recovery
To avoid the need for a BIOS password reset in the future, it's wise to follow some best practices:
Using a secondary device (phone or another computer), navigate to a reputable, open-source master password generator such as . Input your Service Tag and suffix exactly as shown.
Another physical method that can work on some older or less secure systems involves removing the CMOS battery, which is the small, round, coin-cell battery on the motherboard. This battery preserves BIOS settings when the computer is powered off. Disconnecting it can sometimes clear the password.
This is the standard official process for recovering a forgotten BIOS password: Generate an Error Code:
