Article Title: how to restore GRUB boot in Ubuntu. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source and other essential tools for basic classification: a computer with an optical drive and a ubuntu Cd (liveCD.
Method:
1. Start the computer from the CD. After the menu appears, press F2 to select the Chinese language and then enter the first item.
2. Go to the live interface and click application> attachment> terminal.
3. Enter sudo-so to operate as the root user.
4. Enter grub to go To the gru configuration page.
5. Enter root (hdx, y) #### note! Here (hdx, y) is your Ubuntu installation location! If you do not know, enter find/boot/grub/stage1 to display it.
6. Enter setup (hd0) to write grub to the hard disk.
7. Enter quit, exit, restart, And the GRUB menu appears again.
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