Boot up your computer and then press the F8, F9, F10 or Del key to get in to BIOS. Then quickly press the A key to show the Advanced settings.

How do I get to Dell advanced BIOS settings?

Power on the system. Tap the F2 key to enter System Setup when the Dell logo appears. If you have trouble entering Setup using this method, press F2 when the keyboard LEDs first flash.

How do you exit BIOS settings?

Press the F10 key to exit the BIOS setup utility. In the Setup Confirmation dialog box, press the ENTER key to save the changes and exit.