When using Ubuntu systems or installing dual systems, there are times when the weather is unexpected. Or can not find grub2 boot, or the entire hard disk MBR to break down, so that the computer paralyzed. What to do? Today we introduce a very useful method, can repair the boot, of course, can also repair the MBR of the hard disk.
os:ubuntu12.04/12.10
What we need to prepare is:
1, Ubuntu Startup disk Cd/usb can
2, is the Internet, you must have an Internet environment.
The next thing to do is:
Start Ubuntu, go to the Start screen, and choose Ubuntu for trial. Wait for the desktop to go.
After entering the desktop, open the terminal, enter the following command to install Boot-repair
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install Boot-repair boot-sav
Start Boot-repair terminal input: Boot-repair
To enter the program, it is best to choose the recommended fix:
Of course you can also choose advanced options to learn more features (such as changing the default boot system, etc.)
After success, you can see the following information:
OK, get it done. Reboot the system everything will come back.
Ubuntu Repair Grub