Failure diagram:
1, in the appearance of this screen, press any key on the keyboard to enter the Grub menu, under the Grub menu Press "C" key, enter the Grub Command Line window, enter "Grub>root (hd0,0)" command, and then press ENTER;
2. Continue to enter the "Grub>kernel (hd0,0)/boot/" command on the Grub command line and press the "tab" key to display a kernel image that can be displayed, and then enter the following valid kernel mirror name after the command that has not yet been completed and press ENTER:
Grub>kernel (hd0,0)/boot/vmlinuz-2.6.9-42.elsmp ro root=label=/vga=0x317
3, continue to the GRUB command line below Enter the following command, press ENTER;
Grub> initrd (hd0,0)/boot/initrd-2.6.9-42.elsmp.img
4, continue to enter the following command and return;
Grub>boot
5, this time just wait for the computer restart can enter the Windows7 operating system OH.