If you just want to change the boot order (i.e. you want to boot from a USB DVD because you are wiping the device and want to install Windows 8, you do NOT need to go into the BIOS, just power up the unit and press the F12 key repeatedly until the boot menu appears.
- Shut Down / Power Down the Iconia Tab
- Hold the WINDOWS button (bottom left) and then hold down the POWER button (top left)
- Press the F2 key repeatedly
- Enjoy the BIOS