Solved Changed UEFI to CSM

I have bit off more than I can chew, and I hope someone can help me. I bought a Toshiba laptop that came with pre-installed Windows 8. I went into the "Bios" and switched from UEFI to CSM, Now my laptop just doesn't work. I am on a public computer posting this because mine will just not boot at all. It won't even show the boot logo, and I cannot get back into the Bios to switch it back to...