Use either of the following methods to disable Extreme Boot:
Connect the keyboard to a different USB connector.
Restart or turn on the computer, and then press F1 repeatedly to enter BIOS when the logo screen is displayed. Alternatively, you can press and hold F1 while starting the computer to enter BIOS.
Select
.The Lenovo or Energy Star logo does not appear when the computer starts.
USB devices such as keyboards, mice or external storage are not initially available on startup.
The system cannot be started through a USB device or network boot.
Firmware-based trusted platform module (TPM) applications will have limited functionality.