I have an ASUS x401-a and I'm trying to boot backtrack 5, when i reboot it i hit escape and it brings me into bios settings i put my usb chipset as the 1st in boot priority order and try to boot backtrack and it boots straight into windows 8 everytime I've also disabled secure boot.... Some one please help me with this I miss security testing on my network. Thank you in advance. Volk.