my laptop always directly entering windows 10, without displaying dual boot option. I can't enter my kali linux.
i use boot repair flashdisk, and my result like this:
Code:
 Boot Info Script e7fc706 + Boot-Repair extra info      [Boot-Info 23Nov2014]


============================= Boot Info Summary: ===============================

 => Grub2 (v1.99-2.00) is installed in the MBR of /dev/sda and looks at sector 
    125360128 of the same hard drive for core.img, but core.img can not be 
    found at this location.
 => Syslinux MBR (3.00-3.35) is installed in the MBR of /dev/sdb.

sda1: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sda2: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  Windows 8/2012: FAT32
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /EFI/Boot/bootx64.efi /EFI/kali/grubx64.efi 
                       /EFI/Microsoft/Boot/bootmgfw.efi 
                       /EFI/Microsoft/Boot/bootmgr.efi 
                       /EFI/Microsoft/Boot/memtest.efi

sda3: __________________________________________________________________________

    File system:       
    Boot sector type:  -
    Boot sector info: 
    Mounting failed:   mount: unknown filesystem type ''

sda4: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /bootmgr /Windows/System32/winload.exe

sda5: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sda6: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Mounting failed:   mount: unknown filesystem type ''
mount: wrong fs type, bad option, bad superblock on /dev/sda6,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so


sda7: __________________________________________________________________________

    File system:       swap
    Boot sector type:  -
    Boot sector info: 

sdb1: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  SYSLINUX 4.07
    Boot sector info:  Syslinux looks at sector 32784 of /dev/sdb1 for its 
                       second stage. The integrity check of Syslinux failed. 
                       No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /boot/grub/grub.cfg /syslinux.cfg /casper/vmlinuz.efi 
                       /EFI/BOOT/grubx64.efi /ldlinux.sys

============================ Drive/Partition Info: =============================

Drive: sda _____________________________________________________________________

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sda1                   1   625,142,447   625,142,447  ee GPT


GUID Partition Table detected.

Partition    Start Sector    End Sector  # of Sectors System
/dev/sda1           2,048       616,447       614,400 Windows Recovery Environment (Windows)
/dev/sda2         616,448       821,247       204,800 EFI System partition
/dev/sda3         821,248     1,083,391       262,144 Microsoft Reserved Partition (Windows)
/dev/sda4       1,083,392   156,397,567   155,314,176 Data partition (Windows/Linux)
/dev/sda5     238,317,568   625,139,711   386,822,144 Data partition (Windows/Linux)
/dev/sda6     156,397,568   230,103,039    73,705,472 Data partition (Linux)
/dev/sda7     230,103,040   238,317,567     8,214,528 Swap partition (Linux)

Drive: sdb _____________________________________________________________________

Disk /dev/sdb: 15.6 GB, 15597568000 bytes
255 heads, 63 sectors/track, 1896 cylinders, total 30464000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sdb1    *          2,048    30,463,999    30,461,952   c W95 FAT32 (LBA)


"blkid" output: ________________________________________________________________

Device           UUID                                   TYPE       LABEL

/dev/loop0                                              squashfs   
/dev/sda1        BCDA4DDEDA4D9614                       ntfs       Recovery
/dev/sda2        B64F-FC36                              vfat       
/dev/sda4        8434E52A34E52042                       ntfs       Win10
/dev/sda5        76B4594CB459104B                       ntfs       MASTER
/dev/sda6        6778454f-02fc-44b7-918d-511d45fd78c5   ext4       
/dev/sda7        26a0dc60-1973-4f39-a0a1-35073800243d   swap       
/dev/sdb1        AA60-7FBE                              vfat       BOOT-REPAIR
/dev/zram0       4b4da082-baa8-4bca-8fbb-6c49facc692a   swap       
/dev/zram1       b0097789-80e4-4739-9057-adcad86db204   swap       

========================= "ls -l /dev/disk/by-id" output: ======================

total 0
lrwxrwxrwx 1 root root  9 Sep  3 09:12 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM -> ../../sda
lrwxrwxrwx 1 root root 10 Sep  3 09:12 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Sep  3  2019 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Sep  3  2019 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Sep  3 09:12 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part4 -> ../../sda4
lrwxrwxrwx 1 root root 10 Sep  3 09:12 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Sep  3  2019 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part6 -> ../../sda6
lrwxrwxrwx 1 root root 10 Sep  3  2019 ata-Hitachi_HTS543232A7A384_E20342BL09U9TM-part7 -> ../../sda7
lrwxrwxrwx 1 root root  9 Sep  3 09:12 usb-SanDisk_Ultra_4C531001520506123292-0:0 -> ../../sdb
lrwxrwxrwx 1 root root 10 Sep  3  2019 usb-SanDisk_Ultra_4C531001520506123292-0:0-part1 -> ../../sdb1
lrwxrwxrwx 1 root root  9 Sep  3 09:12 wwn-0x5000cca745c4765f -> ../../sda
lrwxrwxrwx 1 root root 10 Sep  3 09:12 wwn-0x5000cca745c4765f-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Sep  3  2019 wwn-0x5000cca745c4765f-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Sep  3  2019 wwn-0x5000cca745c4765f-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Sep  3 09:12 wwn-0x5000cca745c4765f-part4 -> ../../sda4
lrwxrwxrwx 1 root root 10 Sep  3 09:12 wwn-0x5000cca745c4765f-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Sep  3  2019 wwn-0x5000cca745c4765f-part6 -> ../../sda6
lrwxrwxrwx 1 root root 10 Sep  3  2019 wwn-0x5000cca745c4765f-part7 -> ../../sda7

================================ Mount points: =================================

Device           Mount_Point              Type       Options

/dev/loop0       /rofs                    squashfs   (ro,noatime)
/dev/sdb1        /cdrom                   vfat       (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)


=========================== sdb1/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------

if loadfont /boot/grub/font.pf2 ; then
    set gfxmode=auto
    insmod efi_gop
    insmod efi_uga
    insmod gfxterm
    terminal_output gfxterm
fi

set menu_color_normal=white/black
set menu_color_highlight=black/light-gray

menuentry "Boot-Repair-Disk session" {
    set gfxpayload=keep
    linux    /casper/vmlinuz.efi  file=/cdrom/preseed/lubuntu.seed boot=casper quiet splash --
    initrd    /casper/initrd.lz
}
--------------------------------------------------------------------------------

============================== sdb1/syslinux.cfg: ==============================

--------------------------------------------------------------------------------
DEFAULT loadconfig 
 
LABEL loadconfig 
  CONFIG /isolinux/isolinux.cfg 
  APPEND /isolinux/ 
--------------------------------------------------------------------------------

=============================== StdErr Messages: ===============================

File descriptor 9 (/proc/12955/mounts) leaked on lvs invocation. Parent PID 19420: bash
File descriptor 63 (pipe:[37456]) leaked on lvs invocation. Parent PID 19420: bash
  No volume groups found

ADDITIONAL INFORMATION :
=================== log of boot-info 2019-09-03__09h12 ===================
boot-info version : 4ppa14
boot-sav version : 4ppa14
glade2script version : 3.2.2~ppa47~saucy
boot-sav-extra version : 4ppa14
File descriptor 9 (/proc/12955/mounts) leaked on lvs invocation. Parent PID 14463: /bin/sh
No volume groups found
boot-info is executed in live-session (Boot-Repair-Disk 64bit 29nov2014, trusty, Ubuntu, x86_64)
ls: cannot access /home/usr/.config: No such file or directory
CPU op-mode(s):        32-bit, 64-bit
BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/lubuntu.seed boot=casper quiet splash --
mount: wrong fs type, bad option, bad superblock on /dev/sda6,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail  or so

mount /dev/sda6 : Error code 32
mount -r /dev/sda6 /mnt/boot-sav/sda6
mount: wrong fs type, bad option, bad superblock on /dev/sda6,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail  or so

mount -r /dev/sda6 : Error code 32

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


=================== os-prober:
/dev/sda2@/efi/Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows:efi
/dev/sda6:Kali GNU/Linux Rolling (kali-rolling):Kali:linux

=================== blkid:
/dev/loop0: TYPE="squashfs"
/dev/sda1: LABEL="Recovery" UUID="BCDA4DDEDA4D9614" TYPE="ntfs"
/dev/sda2: UUID="B64F-FC36" TYPE="vfat"
/dev/sda4: LABEL="Win10" UUID="8434E52A34E52042" TYPE="ntfs"
/dev/sda5: LABEL="MASTER" UUID="76B4594CB459104B" TYPE="ntfs"
/dev/sda6: UUID="6778454f-02fc-44b7-918d-511d45fd78c5" TYPE="ext4"
/dev/sda7: UUID="26a0dc60-1973-4f39-a0a1-35073800243d" TYPE="swap"
/dev/sdb1: LABEL="BOOT-REPAIR" UUID="AA60-7FBE" TYPE="vfat"
/dev/zram0: UUID="4b4da082-baa8-4bca-8fbb-6c49facc692a" TYPE="swap"
/dev/zram1: UUID="b0097789-80e4-4739-9057-adcad86db204" TYPE="swap"


1 disks with OS, 2 OS : 1 Linux, 0 MacOS, 1 Windows, 0 unknown type OS.

mount: wrong fs type, bad option, bad superblock on /dev/sda6,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail  or so

mount /dev/sda6 : Error code 32
mount -r /dev/sda6 /mnt/boot-sav/sda6
mount: wrong fs type, bad option, bad superblock on /dev/sda6,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail  or so

mount -r /dev/sda6 : Error code 32
Windows not detected by os-prober on sda4.

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util sfdisk doesn't support GPT. Use GNU Parted.


WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.

Presence of EFI/Microsoft file detected: /mnt/boot-sav/sda2/EFI/Microsoft/Boot/bootmgfw.efi
Presence of EFI/Boot file detected: /mnt/boot-sav/sda2/EFI/Boot/bootx64.efi

efibootmgr -v
BootCurrent: 0001
Timeout: 2 seconds
BootOrder: 0000,0001,0002
Boot0000* Windows Boot Manager    HD(2,96800,32000,9723a6ce-720a-4807-b26e-d929a5717b74)File(EFIMicrosoftBootbootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...}................
Boot0001* UEFI: SanDisk    ACPI(a0341d0,0)PCI(14,0)USB(6,0)HD(1,800,1d0d000,00195fba)AMBO
Boot0002* Hard Drive     BIOS(2,0,00)AMGOAMNOs.......Q.S.a.n.D.i.s.k....................A.......................$..Gd-.;.A..MQ..L.S.a.n.D.i.s.k......AMBO
=================== UEFI/Legacy mode:
Unusual EFI: Please report this message to boot.repair@gmail.com
BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
SecureBoot disabled. (maybe sec-boot, Please report this message to boot.repair@gmail.com)


=================== PARTITIONS & DISKS:
sda1    : sda,    not-sepboot,    no-grubenv    nogrub,    no-docgrub,    no-update-grub,    32,    no-boot,    no-os,    not--efi--part,    part-has-no-fstab,    part-has-no-fstab,    no-nt,    no-winload,    recovery-or-hidden,    no-bmgr,    notwinboot,    nopakmgr,    nogrubinstall,    no---usr,    part-has-no-fstab,    not-sep-usr,    standard,    not-far,    /mnt/boot-sav/sda1.
sda2    : sda,    not-sepboot,    no-grubenv    nogrub,    no-docgrub,    no-update-grub,    32,    no-boot,    is-os,    is-correct-EFI,    part-has-no-fstab,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot,    nopakmgr,    nogrubinstall,    no---usr,    part-has-no-fstab,    not-sep-usr,    standard,    not-far,    /mnt/boot-sav/sda2.
sda4    : sda,    not-sepboot,    no-grubenv    nogrub,    no-docgrub,    no-update-grub,    32,    no-boot,    is-os,    not--efi--part,    part-has-no-fstab,    part-has-no-fstab,    no-nt,    haswinload,    no-recov-nor-hid,    bootmgr,    notwinboot,    nopakmgr,    nogrubinstall,    no---usr,    part-has-no-fstab,    not-sep-usr,    standard,    not-far,    /mnt/boot-sav/sda4.
sda5    : sda,    not-sepboot,    no-grubenv    nogrub,    no-docgrub,    no-update-grub,    32,    no-boot,    no-os,    not--efi--part,    part-has-no-fstab,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot,    nopakmgr,    nogrubinstall,    no---usr,    part-has-no-fstab,    not-sep-usr,    standard,    farbios,    /mnt/boot-sav/sda5.
sda6    : sda,    not-sepboot,    no-grubenv    nogrub,    no-docgrub,    no-update-grub,    32,    no-boot,    is-os,    not--efi--part,    part-has-no-fstab,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot,    nopakmgr,    nogrubinstall,    no---usr,    part-has-no-fstab,    not-sep-usr,    standard,    farbios,    /mnt/boot-sav/sda6.

sda    : GPT,    no-BIOS_boot,    has-correctEFI,     not-usb,    has-os,    2048 sectors * 512 bytes


=================== parted -l:

Model: ATA Hitachi HTS54323 (scsi)
Disk /dev/sda: 320GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name                          Flags
1      1049kB  316MB   315MB   ntfs            Basic data partition          hidden, diag
2      316MB   420MB   105MB   fat32           EFI system partition          boot
3      420MB   555MB   134MB                   Microsoft reserved partition  msftres
4      555MB   80.1GB  79.5GB  ntfs            Basic data partition          msftdata
6      80.1GB  118GB   37.7GB  ext4
7      118GB   122GB   4206MB  linux-swap(v1)
5      122GB   320GB   198GB   ntfs            Basic data partition          msftdata


Model: SanDisk Ultra (scsi)
Disk /dev/sdb: 15.6GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags
1      1049kB  15.6GB  15.6GB  primary  fat32        boot, lba


                                                                            Error: /dev/zram0: unrecognised disk label

                                                                            Error: /dev/zram1: unrecognised disk label

=================== parted -lm:

BYT;
/dev/sda:320GB:scsi:512:512:gpt:ATA Hitachi HTS54323;
1:1049kB:316MB:315MB:ntfs:Basic data partition:hidden, diag;
2:316MB:420MB:105MB:fat32:EFI system partition:boot;
3:420MB:555MB:134MB::Microsoft reserved partition:msftres;
4:555MB:80.1GB:79.5GB:ntfs:Basic data partition:msftdata;
6:80.1GB:118GB:37.7GB:ext4::;
7:118GB:122GB:4206MB:linux-swap(v1)::;
5:122GB:320GB:198GB:ntfs:Basic data partition:msftdata;

BYT;
/dev/sdb:15.6GB:scsi:512:512:msdos:SanDisk Ultra;
1:1049kB:15.6GB:15.6GB:fat32::boot, lba;

                                                                            Error: /dev/zram0: unrecognised disk label

                                                                            Error: /dev/zram1: unrecognised disk label


=================== mount:
/cow on / type overlayfs (rw)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
/dev/sdb1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 on /rofs type squashfs (ro,noatime)
none on /sys/fs/cgroup type tmpfs (rw)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
none on /sys/firmware/efi/efivars type efivarfs (rw)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
none on /sys/fs/pstore type pstore (rw)
systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd)
gvfsd-fuse on /run/user/999/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=lubuntu)
/dev/sda1 on /mnt/boot-sav/sda1 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
/dev/sda2 on /mnt/boot-sav/sda2 type vfat (rw)
/dev/sda4 on /mnt/boot-sav/sda4 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
/dev/sda5 on /mnt/boot-sav/sda5 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)


=================== ls:
/sys/block/sda (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight power queue range removable ro sda1 sda2 sda3 sda4 sda5 sda6 sda7 size slaves stat subsystem trace uevent
/sys/block/sdb (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight power queue range removable ro sdb1 size slaves stat subsystem trace uevent
/dev (filtered):  autofs block bsg btrfs-control bus char console core cpu cpu_dma_latency cuse disk dri ecryptfs fb0 fd full fuse hpet input kmsg kvm log mapper mcelog mei mem net network_latency network_throughput null port ppp psaux ptmx pts random rfkill rtc rtc0 sda sda1 sda2 sda3 sda4 sda5 sda6 sda7 sdb sdb1 sg0 sg1 shm snapshot snd stderr stdin stdout uhid uinput urandom v4l vga_arbiter vhci vhost-net video0 zero
ls /dev/mapper:  control

=================== hexdump -n512 -C /dev/sda1
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 08 00 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff 5f 09 00 00 00 00 00  |........._......|
00000030  00 64 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |.d..............|
00000040  f6 00 00 00 01 00 00 00  14 96 4d da de 4d da bc  |..........M..M..|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 41 20 64 69  |............A di|
00000190  73 6b 20 72 65 61 64 20  65 72 72 6f 72 20 6f 63  |sk read error oc|
000001a0  63 75 72 72 65 64 00 0d  0a 42 4f 4f 54 4d 47 52  |curred...BOOTMGR|
000001b0  20 69 73 20 63 6f 6d 70  72 65 73 73 65 64 00 0d  | is compressed..|
000001c0  0a 50 72 65 73 73 20 43  74 72 6c 2b 41 6c 74 2b  |.Press Ctrl+Alt+|
000001d0  44 65 6c 20 74 6f 20 72  65 73 74 61 72 74 0d 0a  |Del to restart..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a7 01 bf 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sda2
00000000  eb 58 90 4d 53 44 4f 53  35 2e 30 00 02 02 fe 19  |.X.MSDOS5.0.....|
00000010  02 00 00 00 00 f8 00 00  3f 00 ff 00 00 68 09 00  |........?....h..|
00000020  00 20 03 00 01 03 00 00  00 00 00 00 02 00 00 00  |. ..............|
00000030  01 00 06 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  80 01 29 36 fc 4f b6 4e  4f 20 4e 41 4d 45 20 20  |..)6.O.NO NAME  |
00000050  20 20 46 41 54 33 32 20  20 20 33 c9 8e d1 bc f4  |  FAT32   3.....|
00000060  7b 8e c1 8e d9 bd 00 7c  88 56 40 88 4e 02 8a 56  |{......|.V@.N..V|
00000070  40 b4 41 bb aa 55 cd 13  72 10 81 fb 55 aa 75 0a  |@.A..U..r...U.u.|
00000080  f6 c1 01 74 05 fe 46 02  eb 2d 8a 56 40 b4 08 cd  |...t..F..-.V@...|
00000090  13 73 05 b9 ff ff 8a f1  66 0f b6 c6 40 66 0f b6  |.s......f...@f..|
000000a0  d1 80 e2 3f f7 e2 86 cd  c0 ed 06 41 66 0f b7 c9  |...?.......Af...|
000000b0  66 f7 e1 66 89 46 f8 83  7e 16 00 75 39 83 7e 2a  |f..f.F..~..u9.~*|
000000c0  00 77 33 66 8b 46 1c 66  83 c0 0c bb 00 80 b9 01  |.w3f.F.f........|
000000d0  00 e8 2c 00 e9 a8 03 a1  f8 7d 80 c4 7c 8b f0 ac  |..,......}..|...|
000000e0  84 c0 74 17 3c ff 74 09  b4 0e bb 07 00 cd 10 eb  |..t.<.t.........|
000000f0  ee a1 fa 7d eb e4 a1 7d  80 eb df 98 cd 16 cd 19  |...}...}........|
00000100  66 60 80 7e 02 00 0f 84  20 00 66 6a 00 66 50 06  |f`.~.... .fj.fP.|
00000110  53 66 68 10 00 01 00 b4  42 8a 56 40 8b f4 cd 13  |Sfh.....B.V@....|
00000120  66 58 66 58 66 58 66 58  eb 33 66 3b 46 f8 72 03  |fXfXfXfX.3f;F.r.|
00000130  f9 eb 2a 66 33 d2 66 0f  b7 4e 18 66 f7 f1 fe c2  |..*f3.f..N.f....|
00000140  8a ca 66 8b d0 66 c1 ea  10 f7 76 1a 86 d6 8a 56  |..f..f....v....V|
00000150  40 8a e8 c0 e4 06 0a cc  b8 01 02 cd 13 66 61 0f  |@............fa.|
00000160  82 74 ff 81 c3 00 02 66  40 49 75 94 c3 42 4f 4f  |.t.....f@Iu..BOO|
00000170  54 4d 47 52 20 20 20 20  00 00 00 00 00 00 00 00  |TMGR    ........|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 0d 0a 44 69  |..............Di|
000001b0  73 6b 20 65 72 72 6f 72  ff 0d 0a 50 72 65 73 73  |sk error...Press|
000001c0  20 61 6e 79 20 6b 65 79  20 74 6f 20 72 65 73 74  | any key to rest|
000001d0  61 72 74 0d 0a 00 00 00  00 00 00 00 00 00 00 00  |art.............|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  ac 01 b9 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sda4
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 88 10 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff e7 41 09 00 00 00 00  |..........A.....|
00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  42 20 e5 34 2a e5 34 84  |........B .4*.4.|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 41 20 64 69  |............A di|
00000190  73 6b 20 72 65 61 64 20  65 72 72 6f 72 20 6f 63  |sk read error oc|
000001a0  63 75 72 72 65 64 00 0d  0a 42 4f 4f 54 4d 47 52  |curred...BOOTMGR|
000001b0  20 69 73 20 63 6f 6d 70  72 65 73 73 65 64 00 0d  | is compressed..|
000001c0  0a 50 72 65 73 73 20 43  74 72 6c 2b 41 6c 74 2b  |.Press Ctrl+Alt+|
000001d0  44 65 6c 20 74 6f 20 72  65 73 74 61 72 74 0d 0a  |Del to restart..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a7 01 bf 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sda5
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 70 34 0e  |........?....p4.|
00000020  00 00 00 00 80 00 80 00  ff 6f 0e 17 00 00 00 00  |.........o......|
00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  4b 10 59 b4 4c 59 b4 76  |........K.Y.LY.v|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 41 20 64 69  |............A di|
00000190  73 6b 20 72 65 61 64 20  65 72 72 6f 72 20 6f 63  |sk read error oc|
000001a0  63 75 72 72 65 64 00 0d  0a 42 4f 4f 54 4d 47 52  |curred...BOOTMGR|
000001b0  20 69 73 20 63 6f 6d 70  72 65 73 73 65 64 00 0d  | is compressed..|
000001c0  0a 50 72 65 73 73 20 43  74 72 6c 2b 41 6c 74 2b  |.Press Ctrl+Alt+|
000001d0  44 65 6c 20 74 6f 20 72  65 73 74 61 72 74 0d 0a  |Del to restart..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a7 01 bf 01 00 00 55 aa  |..............U.|
00000200

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


=================== df -Th:

Filesystem     Type       Size  Used Avail Use% Mounted on
/cow           overlayfs  1.9G   38M  1.9G   2% /
udev           devtmpfs   1.9G   12K  1.9G   1% /dev
tmpfs          tmpfs      387M  1.1M  386M   1% /run
/dev/sdb1      vfat        15G   13G  1.7G  89% /cdrom
/dev/loop0     squashfs   549M  549M     0 100% /rofs
none           tmpfs      4.0K     0  4.0K   0% /sys/fs/cgroup
tmpfs          tmpfs      1.9G  580K  1.9G   1% /tmp
none           tmpfs      5.0M     0  5.0M   0% /run/lock
none           tmpfs      1.9G     0  1.9G   0% /run/shm
none           tmpfs      100M   16K  100M   1% /run/user
/dev/sda1      fuseblk    300M  248M   53M  83% /mnt/boot-sav/sda1
/dev/sda2      vfat        96M   29M   68M  30% /mnt/boot-sav/sda2
/dev/sda4      fuseblk     75G   49G   26G  66% /mnt/boot-sav/sda4
/dev/sda5      fuseblk    185G  182G  3.0G  99% /mnt/boot-sav/sda5

=================== fdisk -l:

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xcfec8f31

Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1   625142447   312571223+  ee  GPT

Disk /dev/sdb: 15.6 GB, 15597568000 bytes
255 heads, 63 sectors/track, 1896 cylinders, total 30464000 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00195fba

Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *        2048    30463999    15230976    c  W95 FAT32 (LBA)


No OS or WinEFI system
gui-tab-other.sh: line 94: _checkbutton_repairfilesystems: command not found


=================== Suggested repair
The default repair of the Boot-Repair utility would not act on the MBR.
Additional repair would be performed:  repair-filesystems  fix-windows-boot


=================== User settings
The settings chosen by the user will not act on the boot.