問題描述：

Ubuntu 10.04發布了，隨即裸機安裝了Windows XP ，然后用U盤啟動盤安裝了Ubuntu 10.04,安裝速度飛快(不到10分鐘吧)，但是裝上后發現在grub啟動項里沒有XP，郁悶了，花了幾分鐘終于解決了，呵呵~

以下是修改后的grub.cfg, 依照個人分區情況不同進行修改~~

進入Ubuntu10.04，在終端中鍵入以下命令，

sudo gedit /boot/grub.cfg

對比以下修改相應的XP啟動項，保存退出，然后就OK了!

---------------------------------以下為grub.cfg的內容：-------------------------------

#

# DO NOT EDIT THIS FILE

#

# It is automatically generated by /usr/sbin/grub-mkconfig using templates

# from /etc/grub.d and settings from /etc/default/grub

#

### BEGIN /etc/grub.d/00_header ###

if [ -s $prefix/grubenv ]; then

load_env

fi

##如果要開機默認啟動項為XP，那么這里set default改為XP啟動序號，比如這里為4，即：set default="4"

set default="0"

if [ ${prev_saved_entry} ]; then

set saved_entry=${prev_saved_entry}

save_env saved_entry

set prev_saved_entry=

save_env prev_saved_entry

set boot_once=true

fi

function savedefault {

if [ -z ${boot_once} ]; then

saved_entry=${chosen}

save_env saved_entry

fi

}

function recordfail {

set recordfail=1

if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi

}

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

if loadfont /usr/share/grub/unicode.pf2 ; then

set gfxmode=640x480

insmod gfxterm

insmod vbe

if terminal_output gfxterm ; then true ; else

# For backward compatibility with versions of terminal.mod that don't

# understand terminal_output

terminal gfxterm

fi

fi

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

set locale_dir=($root)/boot/grub/locale

set lang=zh

insmod gettext

if [ ${recordfail} = 1 ]; then

set timeout=-1

else

set timeout=10

fi

### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###

set menu_color_normal=white/black

set menu_color_highlight=black/light-gray

### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###

menuentry 'Ubuntu, with Linux 2.6.32-21-generic' --class ubuntu --class gnu-linux --class gnu --class os {

recordfail

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

linux??? /boot/vmlinuz-2.6.32-21-generic root=UUID=27cc65d6-0513-4f68-8c42-901f871052ae ro?? quiet splash

initrd??? /boot/initrd.img-2.6.32-21-generic

}

menuentry 'Ubuntu, with Linux 2.6.32-21-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {

recordfail

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

echo??? 'Loading Linux 2.6.32-21-generic ...'

linux??? /boot/vmlinuz-2.6.32-21-generic root=UUID=27cc65d6-0513-4f68-8c42-901f871052ae ro single

echo??? 'Loading initial ramdisk ...'

initrd??? /boot/initrd.img-2.6.32-21-generic

}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_memtest86+ ###

menuentry "Memory test (memtest86+)" {

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

linux16??? /boot/memtest86+.bin

}

menuentry "Memory test (memtest86+, serial console 115200)" {

insmod ext2

set root='(hd0,8)'

search --no-floppy --fs-uuid --set 27cc65d6-0513-4f68-8c42-901f871052ae

linux16??? /boot/memtest86+.bin console=ttyS0,115200n8

}

### END /etc/grub.d/20_memtest86+ ###

##這里加入XP啟動項參數↓

### BEGIN /etc/grub.d/30_os-prober ###

menuentry "Windows XP (on /dev/sda1)" {

insmod ntfs

set root=(hd0,1)

search --no-floppy --fs-uuid --set B2CC3F5FCC3F1CD3? ##剛才抄下的UUID放這里!

chainloader +1

}

### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###

# This file provides an easy way to add custom menu entries.? Simply type the

# menu entries you want to add after this comment.? Be careful not to change

# the 'exec tail' line above.

### END /etc/grub.d/40_custom ###

總結

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