1, through the USB stick into the CentOS system, and then pull out the U disk.
2. Enter grub into GRUB command line mode. #[[email protected]/]# Grub
3. Enter Find/boot/grub/stage1 or Find/grub/stage1 (mine is this) #grub > find/boot/grub/stage1 or grub> find/grub/stage1 return The value is usually in this format: (hd0,0)
4. Enter quit to exit the GRUB command line mode
5, CD to/boot/grub directory, using the VI command, the grub.conf and menu.lst files inside (hd1,0) or (hdx,x) modified to (hd0,0) is just find out the location.
6. Enter grub again to enter the GRUB command line mode. Enter: Root (hd0,0); setup (hd0); reboot
7, enter Quit Grub mode, and then enter the Init 6 Restart the computer, this time you will find that the system does not need a USB flash drive can also enter the system.
linux installation system resolves insert USB drive to start