Ubuntu18.04 不能进入win7 系统

[wangxiaopang]

安装完ubuntu后，在win7下用easybcd 删除了win7系统，因为看到ubuntu启动页有win7选项，现在进不去win7 系统， 有什么办法可以解决吗？
资料如下: win7和/boot 都装在固态硬盘，ubuntu根目录，交换空间，home目录都装在另一块硬盘。
1. sudo efibootmgr -v
EFI variables are not supported on this system.

2. sudo parted -l print
Model: ATA ST1000DM003-1CH1 (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/4096B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
1 1049kB 764GB 764GB primary ntfs
2 764GB 979GB 215GB primary ext4
3 979GB 989GB 10.7GB primary ext4
4 989GB 1000GB 10.7GB extended lba
5 989GB 1000GB 10.7GB logical linux-swap(v1)


Model: ATA Kingston SV300S3 (scsi)
Disk /dev/sdb: 120GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
1 1049kB 577MB 576MB primary ntfs boot
2 577MB 117GB 117GB primary ntfs
3 117GB 120GB 2147MB extended lba
5 117GB 120GB 2147MB logical ext4
4 120GB 120GB 472MB primary ntfs diag

3. sudo ls -al /dev/disk/by-uuid/*
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/17cf27ad-691c-4099-ac32-8bc37361d839 -> ../../sda3
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/2b3a16d0-28e9-49dc-82d1-cebb02893754 -> ../../sda5
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/329C89FB9C89B9BD -> ../../sdb2
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/42A64899A6488EFB -> ../../sda1
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/5832DE9032DE730C -> ../../sdb4
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/81016a5e-89a4-413b-9559-038073627901 -> ../../sda2
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/A4D63FDAD63FAC04 -> ../../sdb1
lrwxrwxrwx 1 root root 10 6月 30 20:11 /dev/disk/by-uuid/ac7e222a-bbb0-44a7-aa8b-06098a3b421c -> ../../sdb5

4. sudo ls -al /dev/disk/by-partuuid/*
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/124adcf3-01 -> ../../sdb1
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/124adcf3-02 -> ../../sdb2
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/124adcf3-03 -> ../../sdb3
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/124adcf3-04 -> ../../sdb4
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/124adcf3-05 -> ../../sdb5
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/ae9c1273-01 -> ../../sda1
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/ae9c1273-02 -> ../../sda2
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/ae9c1273-03 -> ../../sda3
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/ae9c1273-04 -> ../../sda4
lrwxrwxrwx 1 root root 10 6月 30 20:12 /dev/disk/by-partuuid/ae9c1273-05 -> ../../sda5

5. sudo gedit /boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi

export menuentry_id_option

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
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}

if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos3'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos3 --hint-efi=hd0,msdos3 --hint-baremetal=ahci0,msdos3 17cf27ad-691c-4099-ac32-8bc37361d839
else
search --no-floppy --fs-uuid --set=root 17cf27ad-691c-4099-ac32-8bc37361d839
fi
font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_GB
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
set timeout=30
else
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=10
fi
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
if background_color 44,0,30,0; then
clear
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=1
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-17cf27ad-691c-4099-ac32-8bc37361d839' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
linux /vmlinuz-4.15.0-23-generic root=UUID=17cf27ad-691c-4099-ac32-8bc37361d839 ro quiet splash $vt_handoff
initrd /initrd.img-4.15.0-23-generic
}
submenu 'Advanced options for Ubuntu' $menuentry_id_option 'gnulinux-advanced-17cf27ad-691c-4099-ac32-8bc37361d839' {
menuentry 'Ubuntu, with Linux 4.15.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-23-generic-advanced-17cf27ad-691c-4099-ac32-8bc37361d839' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
echo 'Loading Linux 4.15.0-23-generic ...'
linux /vmlinuz-4.15.0-23-generic root=UUID=17cf27ad-691c-4099-ac32-8bc37361d839 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /initrd.img-4.15.0-23-generic
}
menuentry 'Ubuntu, with Linux 4.15.0-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-23-generic-recovery-17cf27ad-691c-4099-ac32-8bc37361d839' {
recordfail
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
echo 'Loading Linux 4.15.0-23-generic ...'
linux /vmlinuz-4.15.0-23-generic root=UUID=17cf27ad-691c-4099-ac32-8bc37361d839 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /initrd.img-4.15.0-23-generic
}
menuentry 'Ubuntu, with Linux 4.15.0-20-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-20-generic-advanced-17cf27ad-691c-4099-ac32-8bc37361d839' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
echo 'Loading Linux 4.15.0-20-generic ...'
linux /vmlinuz-4.15.0-20-generic root=UUID=17cf27ad-691c-4099-ac32-8bc37361d839 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /initrd.img-4.15.0-20-generic
}
menuentry 'Ubuntu, with Linux 4.15.0-20-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-20-generic-recovery-17cf27ad-691c-4099-ac32-8bc37361d839' {
recordfail
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
echo 'Loading Linux 4.15.0-20-generic ...'
linux /vmlinuz-4.15.0-20-generic root=UUID=17cf27ad-691c-4099-ac32-8bc37361d839 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /initrd.img-4.15.0-20-generic
}
}

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

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry 'Memory test (memtest86+)' {
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
knetbsd /memtest86+.elf
}
menuentry 'Memory test (memtest86+, serial console 115200)' {
insmod part_msdos
insmod ext2
set root='hd1,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 ac7e222a-bbb0-44a7-aa8b-06098a3b421c
else
search --no-floppy --fs-uuid --set=root ac7e222a-bbb0-44a7-aa8b-06098a3b421c
fi
linux16 /memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###

### 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 'Win7' {
if search -s -f /bootmgr ; then
ntldr /bootmgr
else
search -s -f /ntldr
ntldr /ntldr
fi
}
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###