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使用ubuntuliveCD重新安裝grub2

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Jun 07, 2016 pm 03:48 PM

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使用 ubuntu live CD 重新安裝 grub 2 以下步驟請用 copy 貼到終端機執行 (以免你打錯字) 1. 用 ubuntu live CD 或 ubuntu live USB 開機選試用進入試用桌面 2. sudo fdisk -l # 確定你安裝 ubuntu 的分割區是 /dev/sdan, a 代表硬碟碼, n 代表分割區順

使用 ubuntu live CD 重新安裝 grub 2

以下步驟請用 copy 貼到終端機執行 (以免你打錯字)
1. 用 ubuntu live CD 或 ubuntu live USB 開機選試用進入試用桌面
2. sudo fdisk -l # 確定你安裝 ubuntu 的分割區是 /dev/sdan, a 代表硬碟碼, n 代表分割區順序碼
3. sudo mount /dev/sdan /mnt
4. sudo mount --bind /dev /mnt/dev
5. sudo mount --bind /dev/pts /mnt/dev/pts
6. sudo mount --bind /proc /mnt/proc
7. sudo mount --bind /sys /mnt/sys
8. sudo chroot /mnt
9. grub-install /dev/sda # 注意不加 sudo
10. update-grub # 注意不加 sudo 注意桌面程序有沒有發現 window 7 與 window 7 recover mode
11. update-initramfs -u -k all # 注意不加 sudo
12. exit
13. sudo umount /dev/pts # 注意以下要加 sudo
14. sudo umount /dev
15. sudo umount /proc
16. sudo umount /sys
17. sudo umount /dev/sdan
18. sudo reboot # 改由 /dev/sda 開機

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