win10 centos7 dual boot

problem: after install centos7 , win 10 boot entry gone.

solution: yum -y install epel-release

        yum -y install ntfs-3g

        grub2-mkconfig -o /etc/grub2/grub2.cfg

        reboot

    set windows as default boot

   cat /etc/grub2/grub.cfg | grep Windows

    grub2-set-default