ESC key BIOS Password setting procedure 1. Starting with the computer fully off, turn it on by pressing and releasing the power button. Immediately and repeatedly tap the Esc key, until the message "Check system. Then press (F1) key" appears on the screen. 2. Press the F1 key. The BIOS setup program will appear. 3. Using the arrow keys or the tab key, move to the Password field, and highlight NOT REGISTERED. 4. Press the spacebar, and then enter a new password at the "Password = " prompt. Press the Enter key. 5. Enter the password again when the Setup program prompts for it, and press Enter. The Password field will change to REGISTERED. 6. Press the End key and then the Y key to save changes and exit the BIOS Setup program. https://www.iseepassword.com/forgot-bios-password.html