把下面代碼加到 /boot/grub2/grub.cfg 文件中,重啓就可以看到win7的啓動項了
### BEGIN /etc/grub.d/30_os-prober ###
74 menuentry 'Windows 7 (loader) (on /dev/sda1)' --class windows --class os $menuentry_id_option 'osprober-chain-C2AE5AA3AE5A8FB1' {
75 insmod part_msdos
76 insmod ntfs
77 set root='hd0,msdos1'
78 chainloader +1
79 }
80 ### END /etc/grub.d/30_os-prober ###
C2AE5AA3AE5A8FB1 這串爲盤號(添自己對應的盤)
hd0,msdos1 win7所在盤