ubuntu启动菜单恢复
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x93b91ec3
?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sda1?? *?????????? 1?????? 10199??? 81923436??? 7? HPFS/NTFS
/dev/sda2?????????? 10200????? 182402? 1383214678??? f? W95 Ext'd (LBA)
/dev/sda5?????????? 10200?????? 86689?? 614405893+?? 7? HPFS/NTFS
/dev/sda6?????????? 86690????? 163179?? 614405893+?? 7? HPFS/NTFS
/dev/sda7????????? 163180????? 181416?? 146484224?? 83? Linux
/dev/sda8????????? 181416????? 182402???? 7917568?? 82? Linux swap / Solaris
?
root@ubuntu:~# mkdir /media/ubuntu
root@ubuntu:~# mount /dev/sda7 /media/ubuntu/
root@ubuntu:~# grub-install --root-directory=/media/ubuntu /dev/sda
Installation finished. No error reported.
