代码： 全选
sudo update-grub代码： 全选
title Ubuntu 7.10, kernel 2.6.22-14-generic
root (hd0,2)
kernel /vmlinuz-2.6.22-14-generic root=UUID=9a78a783-1644-463a-9dae-f34fbc3ceb8a ro quiet splash locale=zh_CN video=intelfb:mode=1024x768-32@85,mtrr,ywrap vga=792
initrd /initrd.img-2.6.22-14-generic
quiet
title Ubuntu 7.10, kernel 2.6.22-14-generic (recovery mode)
root (hd0,2)
kernel /vmlinuz-2.6.22-14-generic root=UUID=9a78a783-1644-463a-9dae-f34fbc3ceb8a ro single
initrd /initrd.img-2.6.22-14-generic
title Ubuntu 7.10, memtest86+
root (hd0,2)
kernel /memtest86+.bin
quiet
### END DEBIAN AUTOMAGIC KERNELS LIST
# This is a divider, added to separate the menu items below from the Debian
# ones.
title Other operating systems:
root
# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/sda1
title Microsoft Windows XP Professional
root (hd0,0)
savedefault
makeactive
chainloader +1qianwx 写了：............
# This entry automatically added by the Debian installer for a non-linux OS
就这儿
# on /dev/sda1
title Microsoft Windows XP Professional
root (hd0,0)
savedefault
makeactive
chainloader +1[/code]
说明：其中root (hd0,2)字段中，“hd0”指的是0号硬盘，对应于你的双硬盘，你应该就知道该如何修改了。其次“,2”字样中2指的是你在指定的硬盘（该例中指的是0号硬盘）中启动系统所处的分区。
现在你可以参考上述内容仔细稍加修改即可达到双硬盘启动了
代码： 全选
root (hd0,2)