Dúvida no Boot [RESOLVIDO]

tenta usar o comando

update-grub

v c ele reconhece o windows

posta seu /boot/grub/grub.cfg

De uma lida no material indicado nos links da dica abaixo, pois estão bem explicadas as diferenças e procedimentos de configuração tanto do GRUB (Legacy) como do GRUB2.

http://www.vivaolinux.com.br/dica/Informacoes-e-instrucoes-sobre-GRUB-(Legacy)-e-GRUB2

#
# 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 /boot/grub/grubenv ]; then
have_grubenv=true
load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
saved_entry=${prev_saved_entry}
save_env saved_entry
prev_saved_entry=
save_env prev_saved_entry
fi
insmod ext2
set root=(hd0,6)
search --no-floppy --fs-uuid --set 1312fb4a-9559-45be-80fe-9f2bd6305dfd
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
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/white
### END /etc/grub.d/05_debian_theme ###

### 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.
menuentry "Ubuntu, Linux 2.6.31-17-generic" {
recordfail=1
if [ -n ${have_grubenv} ]; then save_env recordfail; fi
set quiet=1
insmod ext2
set root=(hd0,6)
search --no-floppy --fs-uuid --set 1312fb4a-9559-45be-80fe-9f2bd6305dfd
linux /boot/vmlinuz-2.6.31-17-generic root=UUID=1312fb4a-9559-45be-80fe-9f2bd6305dfd ro quiet splash
initrd /boot/initrd.img-2.6.31-17-generic
}
menuentry "Ubuntu, Linux 2.6.31-17-generic (recovery mode)" {
recordfail=11312fb4a-9559-45be-80fe-9f2bd6305dfd
if [ -n ${have_grubenv} ]; then save_env recordfail; fi
insmod ext2
set root=(hd0,6)
search --no-floppy --fs-uuid --set 1312fb4a-9559-45be-80fe-9f2bd6305dfd
linux /boot/vmlinuz-2.6.31-17-generic root=UUID=1312fb4a-9559-45be-80fe-9f2bd6305dfd ro single
initrd /boot/initrd.img-2.6.31-17-generic
}
### END /etc/grub.d/40_custom ###