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@huangguozhen
Created March 16, 2016 00:35
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从livecd启动ubuntu,选择"试用ubuntu",进入系统后执行如下操作:
```
sudo -i
mount /dev/sda7 /mnt (也就是你Ubuntu系统的"/"的挂接硬盘分区, 比如sda7,
根据你的具体安装情况确定,/mnt是你建立的一个用来挂载的目录)
如果单独划分了Ubuntu的boot分区,那么还需如下操作:
mount /dev/sda6 /mnt/boot (假设你的boot分区是在sda6)
挂载你的其他分区,如果有的话
重建grub到sda的mbr
grub-install --root-director=/mnt /dev/sda
重启
```
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