Create a Bootable USB By CMD 

1.plug-in your USB stick 
2.CMD run as admin privilege
3.Type Diskpart command
4. select disk 1 ( assume ur usb disk 1 )
5.clean
6.create partition primary
7.select partition 1
8.active
9.format fs=NTFS QUICK
10.assign
11.exit

Copy files to USB Drive and change Boot sequence in BIOS