Download Ubuntu-12.10-desktop-i386.iso files and grub for DOS.
Http://www.ubuntu.com.cn/download/desktop
Extract the Grldr file from Grub for DOS and copy it to the C-packing directory. Then in "My Computer" right-click Properties, Advanced, boot and failback, point "set" point "edit", in Boot.ini file, finally add c:\grldr= "GRUB", Save, OK.
Unzip the ISO. Disk, Vmlinuz, and initrd.gz to copy to the root of a partition, and NTFS can, and then create a new menu.lst in this section
The contents are as follows:
Title http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu 12.10 LiveCD
Root (Hd0,x)
Kernel/vmlinuz boot=casper iso-scan/filename=/ubuntu-12.10-desktop-i386.iso ro quiet splash locale=zh_cn. UTF-8
Initrd/initrd.gz
Boot
Note: The second line of root (hd0,x) may be on your machine and this x will change according to your partitioning order.
Restart Windows XP by pressing the F8 menu, select "Return to OS Menu" Grub, and if there is no problem, you should be able to see the Ubuntu 12.10 LiveCD menu, press the C key here,
>find/vmlinuz Carriage return
You'll see (hd0,x) Note: X is a number, then press ESC, press E on the Ubuntu 12.10 LiveCD option, change the x to just get that number, the partition where Vmlinux is located, press ENTER, press B to boot Ubuntu 12.10 LiveCD , the normal installation of Ubuntu.