I have a new computer with windows 8 pre-installed, but i want to be able to dual boot with ubuntu. I've got a CD for the ubuntu installation, but accessing the bios is a pain in the **** with windows 8 OS. So I go on PC settings - General - advanced PC settings which restarts the computer and takes me to a menu from which i start up from the CD device. However when i am brought to the bios i get the following error message:
"Invalid signature detected.
Check Secure Boot policy in Setup"
I've attached a picture of this too. Not really sure what this means exactly, and i've never used windows 8 before. Any help would be appreciated thanks!