HOW TO MAKE A FLASH DRIVE/USB KEY MANUALLY:. Typing ' diskpart' (Don't need quotes) at the Start Menu. Typing ' list disk' (Don't need quotes) //command to find the drive with appropriate size. Typing ' select disk 1' (Don't need quotes) //where the '1' is actually the corresponding number of your USB drive.
Make sure you choose the correct flash drive if you have more than one of the same size. Typing ' clean' (Don't need quotes) //removes all partitions.
Typing ' create partition primary' (Don't need quotes) //bootable partition. Typing ' active' (Don't need quotes).
Typing ' format fs=ntfs quick' (Don't need quotes) //can use fat32 if all files on drive are something like 3gb or smaller. You should not need a boot sector on a usb drive, most motherboards allow booting to usb drives. Typing ' assign' (Don't need quotes) //command gives the USB drive a drive letter, making it easy to access from Windows Explorer.
You are done with diskpart, type ' exit' (Don't need quotes).