Here are the instrutions on how to get to the Bios:
When the first screen displays, immediately press the F10 key if your computer was built in 2006 or later (came with Vista). Press the F1 key if your computer was built before 2006 (XP or earlier). Press the key once every second until a BIOS Setup utility screen opens.
NOTE: On some Compaq Presario computers (before 2002), press the F10 key at the logo screen.
This is what it should look like:
You need to go to the boot tab and make sure that it is booting with the USB first.[/img]