My Toshiba C650 laptop doesn’t taking boot(windows 7 pro 64 bit) from pen drive… and it BIOS ( InsydeH2O rev 3.5 ) doesn’t have any option like uEFI enable or disable , secure boot enable or disable.. i have already set priority in boot menu… still it doesn’t accepting boot while my pre-installed windows XP gets crufted what to do help if anyone of you know the solution…. please its urgent