The key point is to find out how to format bootable USB to normal. Surely, other conditions might result in bootable USB drive formatting as well. Also, when you no longer need the bootable USB, it is not a bad choice to reformat it to FAT32 for new files. In that case, you can choose to copy bootable USB drive to another USB or to format bootable USB drive in Windows 7 and create another new bootable device. As time goes by, the current bootable USB may not meet your computing requirements anymore. Well, with so many conveniences it brings to us, why would we want to format bootable USB stick? As we know, USB flash drive comes with larger capacity and reasonable price in recent years. One bootable USB stick can apply to different computers. What’s more, USB drives are easy to carry and easy to save. Sometimes, to backup hard drive or system, the bootable USB stick helps backup hard drive without booting Windows.
If you cannot access Windows, the bootable USB drive you created before can help you enter into Windows PE or Linux environment for further operations. Bootable USB drive is a kind of helpful assistant in many situations.
