Actually i want to install windows 8.1 in my pc through usb n hence i need to set boot preference to usb but whenever i enter into bios,all the options/settings r greyed out/disabled n i cannot enetr into any of the settings n even when i exit the bios,only the exit without saving option pops up... i think it is all disabled by the manufacturer so any of u know how can i enable it?
plzz respond ASAP
my specs-
INTEL DG31pr mobo(32 bit)
windows 7 ultimate
Nvidea GRAphics 8400 GS