Connect the computer to the ac power.
Connect the keyboard to the USB connector at the right end.
Press the space key on the keyboard.
Note: If Extreme Boot fails, check the following:If the keyboard is connected to the correct USB connector.
If the USB connector or dongle of the keyboard is plugged in.
If Extreme Boot is enabled in BIOS.
If you have set BIOS with passwords, Extreme Boot cannot be used.