UltraISO make a boot disk U

　　Use UltraISO can create a pure version of the boot disk U

　　download

　　Download https://cn.ultraiso.net/

　　Open ISO image

　　After the download is complete, double-click to open the software installation

　　File - Open - select an ISO image, e.g. win7

 

 　　U disk access

　　Start - written to disk mirroring

 

 

 

 　　Writing is completed can be made pristine version of the boot disk, you can create Windows, Liunx systems tray