“Win10 bootable backup,Win10 install,Office 2016 insall-through USB DVD In ASUS with Windows 7 K52F , bootable Win 7 backup Alternative Recovery to be done only through SATA internal DVD drive. If DVD drive is not working any attempt to backup bootable Recovery on external USB DVD drive does not work. Windows 7 does not see OR prompt to select USB DVD drive to save - also may be to install Win 7 or Office from Discs. Like to know since this ASUS Q503UA windows 10 laptop does not have internal SATA DVD drive, can back up of boot-able Windows10 recovery be done on disks of external USB DVD drive. Same way can installation of Windows 10 by booting and installation of Office be done from USB DVD drive ?”