Do not start centos6.4 after reloading Win7 system

1, first download CentOS-6.4 installation CD-ROM ISO file;

2, use UltraISO to burn it to the U disk boot disk

3, reboot, enter the BIOS interface, choose to start from U disk

4, to install the CD-ROM interface, select Rescue install system into the rescue mode

5, in accordance with the requirements of a series of settings, into the shell mode

6, execute the following code command, reload Grub

[PHP]

# Chroot/mnt/sysimage

#/SBIN/GRUB-INSTALL/DEV/SDA

7. View/Edit Grub configuration file

[PHP]

#vi/boot/grub/grub.conf

8. If you do not have a Windows startup entry, you can add it manually

#Windows

Title Windows7

Root (hd0,0)

Makeactive

Chainloader +1

9, after the save exit, restart the computer OK.

[PHP]

#exit

#reboot